Understandable Statistics: Concepts and Methods
12th Edition
ISBN: 9781337119917
Author: Charles Henry Brase, Corrinne Pellillo Brase
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 8.5, Problem 36P
To determine
Check whether the null hypothesis is rejecting or fail to reject by using the critical region method.
Compare the conclusion of critical value method with the P-value method.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Q1 Foot ulcers are common problem for people with diabetes. Higher skin
temperatures on the foot indicate an increased risk of ulcers. The article “An
Intelligent Insole for Diabetic Patients with the Loss of Protective Sensation"
(Kimberly Anderson, M.S. Thesis, Colorado School of Mines), reports
measurements of temperatures, in °F, of both feet for 18 diabetic patients. The
results are presented in the Table Q1.
Table Ql: Measurements of temperatures, in °F of
left foot Vs right foot for 18 diabetic patients
Left Foot
Right Foot Left Foot Right Foot
80
85
75
88
89
87
80
76
81
86
82
78
81
82
85
80
89
85
80
89
87
78
80
87
86
87
82
78
78
86
76
88
89
89
90
88
(a) Compute the least-squares line for predicting the right foot temperature
from the left foot temperature.
(b) If the left foot temperatures of two patients differ by 2 degrees, predict by
how much would their right foot temperatures will differ.
(c) Predict the right foot temperature for a patient whose left foot temperature
is…
Please solve part d, e, f, g.
In a certain jurisdiction, all students in Grade Three are required to take a standardized test to evaluate their math comprehension skills.The file contains these data resulting from a random sample of n=30 schools within this jurisdiction. From these data you wish to estimate the model
Yi=β0+β1Xi+ei
where Xi is the percentage of Grade Three students in School i who live below the poverty line and Yi is the average mathematics comprehension score for all Grade Three students in the same school, School i. The observed data for the X variable is labled perbelowpoverty and the observed data for the Y variable is labeled mathscore in the file.Import (either hand type or load the file) data into R Studio, then answer the following questions based on the data.(a) Create a scatterplot of the data. What can you say about the nature of the relationship between the percentage of Grade Three students living below the poverty line in a certain school and the school's…
Normal and special cause variation are managed very differently. How would you know which type you are responding to without the process limits?
Chapter 8 Solutions
Understandable Statistics: Concepts and Methods
Ch. 8.1 - Statistical Literacy Discuss each of the following...Ch. 8.1 - Statistical Literacy In a statistical test, we...Ch. 8.1 - Statistical Literacy If we fail to reject (i.e.,...Ch. 8.1 - Statistical Literacy If we reject the null...Ch. 8.1 - Statistical Literacy What terminology do we use...Ch. 8.1 - Prob. 6PCh. 8.1 - Statistical Literacy If the P-value in a...Ch. 8.1 - Statistical Literacy If the P-value in a...Ch. 8.1 - Statistical Literacy Suppose the P-value in a...Ch. 8.1 - Statistical Literacy Suppose the P-value in a...
Ch. 8.1 - Basic Computation: Setting Hypotheses Suppose you...Ch. 8.1 - Basic Computation: Setting Hypotheses Suppose you...Ch. 8.1 - Basic Computation: Find Test Statistic,...Ch. 8.1 - Basic Computation: Find the Test Statistic,...Ch. 8.1 - Veterinary Science: Colts The body weight of a...Ch. 8.1 - Marketing: Shopping Time How much customers buy is...Ch. 8.1 - Meteorology: Storms Weatherwise magazine is...Ch. 8.1 - Chrysler Concorde: Acceleration Consumer Reports...Ch. 8.1 - For Problems 1924, please provide the following...Ch. 8.1 - For Problems 1924, please provide the following...Ch. 8.1 - For Problems 1924, please provide the following...Ch. 8.1 - For Problems 1924, please provide the following...Ch. 8.1 - Prob. 23PCh. 8.1 - Prob. 24PCh. 8.2 - Statistical Literacy For the same sample data and...Ch. 8.2 - Statistical Literacy To test for an x...Ch. 8.2 - Statistical Literacy When using the Students t...Ch. 8.2 - Critical Thinking Consider a test for . If the...Ch. 8.2 - Critical Thinking Consider a test for . If the...Ch. 8.2 - Critical Thinking If sample data is such that for...Ch. 8.2 - Basic Computation: P-value Corresponding to t...Ch. 8.2 - Basic Computation: P-value Corresponding to t...Ch. 8.2 - Basic Computation: Testing , Unknown A random...Ch. 8.2 - Basic Computation: Testing , Unknown A random...Ch. 8.2 - Please provide the following information for...Ch. 8.2 - Please provide the following information for...Ch. 8.2 - Please provide the following information for...Ch. 8.2 - Please provide the following information for...Ch. 8.2 - Please provide the following information for...Ch. 8.2 - Prob. 16PCh. 8.2 - Please provide the following information for...Ch. 8.2 - Prob. 18PCh. 8.2 - Please provide the following information for...Ch. 8.2 - Prob. 20PCh. 8.2 - Prob. 21PCh. 8.2 - Prob. 22PCh. 8.2 - Critical Thinking: One-Tailed versus Two-Tailed...Ch. 8.2 - Prob. 25PCh. 8.2 - Prob. 26PCh. 8.2 - Prob. 27PCh. 8.2 - Prob. 28PCh. 8.2 - Prob. 29PCh. 8.2 - Prob. 30PCh. 8.3 - Statistical Literacy To use the normal...Ch. 8.3 - Statistical Literacy Consider a binomial...Ch. 8.3 - Prob. 3PCh. 8.3 - Critical Thinking An article in a newspaper states...Ch. 8.3 - Basic Computation: Testing p A random sample of 30...Ch. 8.3 - Basic Computation: Testing p A random sample of 60...Ch. 8.3 - Prob. 7PCh. 8.3 - Prob. 8PCh. 8.3 - Prob. 9PCh. 8.3 - For Problems 721, please provide the following...Ch. 8.3 - Prob. 11PCh. 8.3 - For Problems 721, please provide the following...Ch. 8.3 - For Problems 721, please provide the following...Ch. 8.3 - Prob. 14PCh. 8.3 - For Problems 721, please provide the following...Ch. 8.3 - Prob. 16PCh. 8.3 - For Problems 721, please provide the following...Ch. 8.3 - Prob. 18PCh. 8.3 - Prob. 19PCh. 8.3 - Prob. 20PCh. 8.3 - Prob. 21PCh. 8.3 - Prob. 22PCh. 8.3 - Critical Region Method: Testing Proportions Solve...Ch. 8.3 - Prob. 24PCh. 8.4 - Prob. 1PCh. 8.4 - Prob. 2PCh. 8.4 - Prob. 3PCh. 8.4 - Prob. 4PCh. 8.4 - Prob. 5PCh. 8.4 - Prob. 6PCh. 8.4 - Prob. 7PCh. 8.4 - Basic Computation: Paired Differences Test For a...Ch. 8.4 - Prob. 9PCh. 8.4 - Prob. 10PCh. 8.4 - For Problems 921 assume that the distribution of...Ch. 8.4 - For Problems 921 assume that the distribution of...Ch. 8.4 - Prob. 13PCh. 8.4 - Prob. 14PCh. 8.4 - Prob. 15PCh. 8.4 - Prob. 16PCh. 8.4 - For Problems 921 assume that the distribution of...Ch. 8.4 - Prob. 18PCh. 8.4 - Prob. 19PCh. 8.4 - Prob. 20PCh. 8.4 - Prob. 21PCh. 8.4 - Expand Your Knowledge: Confidence Intervals for d...Ch. 8.4 - Prob. 23PCh. 8.4 - Prob. 24PCh. 8.5 - Statistical Literacy Consider a hypothesis test of...Ch. 8.5 - Prob. 2PCh. 8.5 - Prob. 3PCh. 8.5 - Statistical Literacy Consider a hypothesis test of...Ch. 8.5 - Statistical Literacy Consider a hypothesis test of...Ch. 8.5 - Critical Thinking Consider use of a Students t...Ch. 8.5 - Critical Thinking When conducting a test for the...Ch. 8.5 - Critical Thinking When conducting a test for the...Ch. 8.5 - Basic Computation: Testing 1 2 A random sample of...Ch. 8.5 - Basic Computation: Testing 1 2 Two populations...Ch. 8.5 - Basic Computation: Testing 1 2 A random sample of...Ch. 8.5 - Basic Computation: Testing 1 2 Two populations...Ch. 8.5 - Prob. 13PCh. 8.5 - Prob. 14PCh. 8.5 - Please provide the following information for...Ch. 8.5 - Please provide the following information for...Ch. 8.5 - Please provide the following information for...Ch. 8.5 - Please provide the following information for...Ch. 8.5 - Please provide the following information for...Ch. 8.5 - Please provide the following information for...Ch. 8.5 - Prob. 21PCh. 8.5 - Please provide the following information for...Ch. 8.5 - Prob. 23PCh. 8.5 - Prob. 24PCh. 8.5 - Prob. 25PCh. 8.5 - Prob. 26PCh. 8.5 - Prob. 27PCh. 8.5 - Prob. 28PCh. 8.5 - Prob. 29PCh. 8.5 - Prob. 30PCh. 8.5 - Please provide the following information for...Ch. 8.5 - Prob. 32PCh. 8.5 - Prob. 33PCh. 8.5 - Prob. 34PCh. 8.5 - Prob. 35PCh. 8.5 - Prob. 36PCh. 8.5 - Prob. 37PCh. 8.5 - Prob. 38PCh. 8 - Prob. 1CRPCh. 8 - Prob. 2CRPCh. 8 - Critical Thinking All other conditions being...Ch. 8 - Prob. 4CRPCh. 8 - Before you solve each problem below, first...Ch. 8 - Prob. 6CRPCh. 8 - Prob. 7CRPCh. 8 - Prob. 8CRPCh. 8 - Prob. 9CRPCh. 8 - Prob. 10CRPCh. 8 - Prob. 11CRPCh. 8 - Prob. 12CRPCh. 8 - Prob. 13CRPCh. 8 - Prob. 14CRPCh. 8 - Before you solve each problem below, first...Ch. 8 - Prob. 16CRPCh. 8 - Prob. 17CRPCh. 8 - Prob. 18CRPCh. 8 - Discuss each of the following topics in class or...Ch. 8 - Prob. 2LCCh. 8 - Prob. 3LCCh. 8 - Prob. 4LCCh. 8 - Prob. 5LC
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.Similar questions
- Step 9 (b) Use Fisher's LSD procedure to test whether there is a significant difference between the means for treatments A and B, treatments A and C, and treatments B and C. Use α = 0.05. A hypothesis test for the population of treatment means can lead to the conclusion that not all the population means are equal, but it does not indicate which population means may differ. Fisher's least significant difference, LSD, procedure can be used to pinpoint where these differences occur. The test statistic will be calculated as the absolute value of the difference between two sample means, x₁ - x;. This test statistic will be compared to the value of LSD, the formula of which is given below. The variable t/2 is based on a t distribution with n, - k degrees of freedom with a significance level of a, MSE is the mean square error, n, is the number of observations for population i, and n, is the number of observations for population j. / MSE (171, + 121,) LSD = ta/2V A significance level of a =…arrow_forwardzy Section 7.1 - MAT 240: Applied S x b My Questions | bartleby A learn.zybooks.com/zybook/SNHUMAT240Master1/chapter/7/section/1 E Reading list = zyBooks My library > MAT 240: Applied Statistics home > 7.1: Hypothesis test for a population proportion E zyBooks catalog Help/FAQ Shauntrell Powell 270604.2156894.qx3zay7 Jump to level 1 A competency test is modified so that the proportion of test-takers that pass is more than 75%. A simple random sample of test-takers is collected to determine if the proportion of passers is greater than 75%. The results of the sample are shown below. Competency test sample passed 86 Observations 100 Confidence Level 0.99 Critical value test statistic (z) 2.33 2.54 0.0055 p = Ex: 1.234 p-value -3 -2 -1 1 2 3 z = Ex: 1.234 n = Ex: 9 Number passed = Ex: 9 Sample proportion p = Ex: 1.234 A O O 11:05 D-Darrow_forwardool Statistics S24_02600050 obability K ¢erwin=yes Danica Stovall 03/13/24 3:23 AM Question 7, 5.2.28-T Part 1 of 4 HW Score: 72%, 36 of 50 points O Points: 0 of 6 Save Based on a poll, among adults who regret getting tattoos, 13% say that they were too young when they got their tattoos. Assume that six adults who regret getting tattoos are randomly selected, and find the indicated probability. Complete parts (a) through (d) below. a. Find the probability that none of the selected adults say that they were too young to get tattoos. (Round to four decimal places as needed.)arrow_forward
- 5. A medical researcher says that less than 84% of adults in a certain country think that healthy children should be required to be vaccinated. In a random sample of 200 adults in that country, 81% think that healthy children should be required to be vaccinated. At α=0.10, is there enough evidence to support the researcher's claim? Complete parts (a) through (e) below. Question content area bottom Part 1 (a) Identify the claim and state H0 and Ha. Identify the claim in this scenario. Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or a decimal. Do not round.) A. enter your response here % of adults in the country think that healthy children should be required to be vaccinated. B. The percentage of adults in the country who think that healthy children should be required to be vaccinated is not enter your response here %. C. Less than 84 84% of adults in the country think that…arrow_forward1-2022(Su x + 1 r08.core.learn.edgenuity.com/Player/ World War I for Kid. Quiz | ReadTheory arlene v. 2021-2022(Summer 2021) Unit Test Unit Test Active TIME REMAINING 12 13 15 19 20 18 01:13:48 Which of the following is an accurate description of the The scatterplot illustrates the relationship between distance and success rate of field-goal attempts for a sample of football kickers. scatterplot? O The kickers have unusually low success rates when the distance is large. Field-Goal Distance and Success Rate O The kickers have unusually high success rates when the distance is small. O As the distance of the attempt increases, the kickers 80 75 70 have a lower success rate for their field goals. 65 O As the distance of the attempt increases, the kickers 60 tend to have a lower success rate for their field goals. 55 50 O 45 40 35 20 25 30 35 40 45 50 55 60 65 70 Distance (yd) Mark this and retum Save and Exit Next Submit 96 7. Success Rate (arrow_forwardCohen’s d is most useful when we are trying to understand the results of a test of hypothesis with verylarge samples or with small samples: If a sample is very large, we may get a statistically significant resulteven if the effect size is __________. If a sample is very small, we may not get a statistically significantresult even though the effect size is __________.arrow_forward
- Part 3 of 3 Determine whether to reject Ho. (b) Since the test statistic, z=2.30, (Choose one) (Choose one) Ho at the a=0.10 level. (c) Since the test statistic, z=2.30, (Choose one) (Choose one) Ho at the a=0.05 level. in the critical region, we in the critical region, wearrow_forward5. A medical researcher says that less than 84% of adults in a certain country think that healthy children should be required to be vaccinated. In a random sample of 200 adults in that country, 81% think that healthy children should be required to be vaccinated. At α=0.10, is there enough evidence to support the researcher's claim? Complete parts (a) through (e) below. Question content area bottom Part 1 (a) Identify the claim and state H0 and Ha. Identify the claim in this scenario. Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or a decimal. Do not round.) A. enter your response here % of adults in the country think that healthy children should be required to be vaccinated. B. The percentage of adults in the country who think that healthy children should be required to be vaccinated is not enter your response here %. C. Less than 84 84% of adults in the country think that…arrow_forwardABC Cookie Company takes samples of finished boxes of cookies weighing them to make sure the weight filled stays within the targeted amount. Some variation of course, is to be expected. But too much presents a production issue. Your job is to find out if this process is stable enough to continue. Samples are taken for 20 days. The number of boxes checked each day is 100. The 20 samples measured reveal the following proportions found to have defective weights: Sample Number Of Defectives Proportion Defective 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 6 0.06 0 0.00 4 0.04 10 0.10 6 0.06 4 0.04 12 0.12 10 0.10 8 0.08 10 0.10 12 0.12 10 0.10 14 0.14 8 0.08 6 0.06 16 0.16 12 0.12 14 0.14 20 0.20 18 0.18 Complete the following: Calculate the centerline (CL), upper control limit (UCL), and the lower control limit (LCL) for a P- Chart. You can use the Excel template to work through this problem. Create a control chart, showing the CL, LCL, and…arrow_forward
arrow_back_ios
arrow_forward_ios
Recommended textbooks for you
- Linear Algebra: A Modern IntroductionAlgebraISBN:9781285463247Author:David PoolePublisher:Cengage LearningCalculus For The Life SciencesCalculusISBN:9780321964038Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.Publisher:Pearson Addison Wesley,Glencoe Algebra 1, Student Edition, 9780079039897...AlgebraISBN:9780079039897Author:CarterPublisher:McGraw Hill
Linear Algebra: A Modern Introduction
Algebra
ISBN:9781285463247
Author:David Poole
Publisher:Cengage Learning
Calculus For The Life Sciences
Calculus
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:Pearson Addison Wesley,
Glencoe Algebra 1, Student Edition, 9780079039897...
Algebra
ISBN:9780079039897
Author:Carter
Publisher:McGraw Hill
Statistics 4.1 Introduction to Inferential Statistics; Author: Dr. Jack L. Jackson II;https://www.youtube.com/watch?v=QLo4TEvBvK4;License: Standard YouTube License, CC-BY