4) A set of 15 data points has mean 28.2. When one data point is disregarded, the mean of the remaining 14 data points is 27. What is the value of the disregarded data point?

Q: Construct the probability mass function for each of the random variable described below Toss a pair…

A: It is given that X be the absolute value of difference of the two dice.

Q: Which score has a higher relative position:      a score of 80 on a test for which   = 60 and s =…

A:

Q: K The ages of a group of 126 randomly selected adult females have a standard deviation of 17.2…

A: We have given  Standard deviation(σ) = 17.2Margin of error (E) = 1/2 = 0.5Significance level (α) = 1…

Q: Assume that the number of automobiles arriving at a gasoline station is Poisson distributed and…

A:

Q: What quarter has the largest spread of data? Fourth Quarter Second Quarter First Quarter Third…

A: Since you have posted a question with multiple sub-parts, we will solve first 3 sub-parts for you.…

Q: Use the sample data and confidence level given below to complete parts (a) through (d). A research…

A: Givenn=1100x=501confidence level=99%

Q: A collegiate long jumper is hoping to improve his distance with a new conditioning routine. The new…

A: Given Information: Prior to the new program, the jumper was averaging 24.5 feet per jump. After the…

Q: (g) A OR B = 6 (1) P(A AND B) = 0.6 (1) P(A OR B) = 0.6 A'= 5

A: We have given that Sample space (S) = {3,6,9,12,15,18,21,24,27,30} =>  number of elements in S…

Q: Question 20 The number of homeruns per season by Alex Rodriguez is displayed below. 005 7 9 16 18 23…

A: According to the given information, we have Data set is given by, Data set =…

Q: 6) = (x; -3) = 3 7) ≥ 2x;

A: It is given that: x1=3,   x2=5,   x3=7,   x4=2

Q: Data was collected on the number of traffic fatalities per year in a variety of vehicles and for a…

A: The formula of the range is, Max denotes the Maximum value. Min denotes the Minimum value.

Q: 2. 1/3 B The data set represents the heights, in centimeters, of ten model bridges made for an…

A: The heights (in centimeters) of the given model bridges are: 13, 14, 14, 16, 16, 16, 16, 18, 18, 19…

Q: 21 = 1²/2₂ 2. Caution: Calculate the eigen-values of f. p(y|x) = N(y; (1, 2)Tx, R), where R = matrix…

A:

Q: According to the results of a survey, 36% of 123 people indicated that American football is their…

A: Answer..

Q: If X is a discrete random variable with probability mass function given as in Table 3.1, find (i)…

A:

Q: C={4,5,6,7} I don't see this set on your sheet under "now"

A: We have given that Universal set S = {0,1,2,3,4,5,6,7,8,9}  A = {0,2,4,6,8}, B={1,3,5,7,9},…

Q: Before a new phone system was installed, the amount a company spent on personal calls followed a…

A:

Q: There are 11 employees in a particular division of a company. Their salaries have a mean of $80,000,…

A: Given Information: Number of employees = 11 Mean is $80,000 Median is $66,000 The standard deviation…

Q: a) About % percent of students scored over 30.

A: Given that.   X~N( μ , ?2 )   μ=20.9   , ?=5.3   Z-score =( x - μ )/?   NOTE:- mentioned in question…

Q: Dinners are prepared in a process with two resources. The processing time of the first resource is…

A: Given two resources 1 = 14 minutes and 8 workers 2= 9 minutes and 12 workers Cycle time = 14 minutes…

Q: An article in Urban Ecosystems, "Urbanization and Warming of Phoenix (Arizona, USA): Impacts,…

A: Given data of average Mean temperature is 23.3,21.7,21.6,21.7,21.3,20.7,20.9,20.1sample…

Q: If 10 percent of the balls in a certain box are red, and if 20 balls are selected from the box at…

A:

Q: 0.5 X=1.8 X = 2 S = 0.5 S = Z=

A: Ans#- Given, X¯ = 2, S = 0.5 and X = 1.8           Find Z = ?

Q: n were randomly assigned to two groups. The treatment group consisted of 201,129 children given a…

A: A total of 401,648 children were randomly assigned to two groups. In the first group, 201,129…

Q: The value of Fcalc increases as A. variability due to chance decreases

A: as we know that : Fcalc=MSTMSEMST is the mean square of treatments, MSE is the mean square of error

Q: e) Describe the gas mileage of the worst 2.5% of cars. The worst 2.5% of cars get less than (Type an…

A: Given data normal distribution μ=24.81σ=6.19empirical rule : 68-95-99.7% datafall within 1σ-2σ-3σ of…

Q: If we reject the null hypothesis when testing to see if a certain treatment has an effect, it means…

A: It is needed to test, whether the treatment has an effect.

Q: In the US women between the ages of 18 to 50 have shoe sizes that approximately follow a normal…

A: Given that: Population mean, μ=8.43 Population standard deviation, σ=1.35

Q: The Moon Illusion refers, roughly speaking, to the common experience that the moon appears larger…

A: The frequency histogram of Adjustable/fixed ratio is given.

Q: Consider a data set containing the following values: 92 84 85 93 95 89 86 91   The mean of the…

A: Data is given Deviation from mean also given We have to calculate sample and population standard…

Q: Example 11. Following is the population of some cities in thousands. Present by a suitable diagram.…

A: Given: City Mumbai Calcutta Chennai Delhi Andhra Pradesh Population 3600 2500 1600 900 400

Q: Find the 34th percentile, P34,  from the following data 10.3 10.5 13.2 14.9 16.6 16.7 16.8 17.7…

A:

Q: Consider the following data values for variables x and y: X 5 4 3 6 9 8 10 The regression…

A: Identify the correct option for the given regression equation. The correct option for the given…

Q: Q2// On a certain day an executive received fifteen telephone calls. The distribution of the time…

A: Solution: Let X represent the time spent on a call (in minutes)

Q: Suppose a doctor measures the height, x, and head circumference, y, of 8 children and obtains the…

A: Given: The correlation coefficient r = 0.860 The regression line is: Y = 0.209X + 11.647 Formula…

Q: An article in Technometrics (1999, Vol. 41, pp. 202-211) studied the capability of a gauge by…

A: Given data…

Q: An article in Technometrics (1999, Vol. 41, pp. 202-211) studied the capability of a gauge by…

A: Given…

Q: x-μ Evaluate the formula t= S √n when μ = 123, n = 13, x= 119, and s = 9. = (Round to three decimal…

A: Given                evaluate the formula t =x¯-μsnaluate the formula               where  μ =123,…

Q: EQUIRED 1. Calculate the following using the data provided on the table: a. the mean b. median c.…

A: Data is given for phone produced We have to calculate mean, median and mode We have to calculate…

Q: Discuss the significance of the term to in the experiment. Where is your measured data (i.e. the…

A: The experimental value EX is expressed as: EX=x±σ. T is the sample statistic that follows a normal…

Q: Based on the Nielsen ratings, the local CBS affiliate claims its 10 p.m Newscast reaches 54% of…

A: Answer: From the given data, Population proportion (P) = 54%                                      =…

Q: The Virginia Cooperative Extension reports that the mean weight of yearling Angus steers is 1152…

A:

Q: Question 2. Show that, for a simple linear regression, R² = ry, where R² is the coefficient of…

A:

Q: 3. If you roll Three fair six sided Dice and take the total there are 216 possible rolls (since 63 =…

A: Given information: Score Number of rolls that have that Score 3 1 4 3 5 6 6 10 7 15 8…

Q: Scores on a biology final exam are normally distributed with a mean of 220 and a standard deviation…

A: Percentile is the measure that divide the data into 100 equal parts. It has 99 points to separate…

Q: list the elements of the sets correstpong to the following event. A U C=

A: It is given that  S = {0,1,2,3,4,5,6,7,8,9} A = {0,2,4,6,8} B = {1,3,5,7,9} C = {4,5,6,7} D =…

Q: 2) Suppose that X is a random variable having a probability density function Hà) xe * =0, elsewhere…

A: 2) The probability density function (PDF) of X is given as follows: fx;β=1β2 xe-xβ, x>0=1Γ2β2…

Q: = the sample moments by h() = 2₁h (w;, 0) - quadratic form Q₁ (0) becomes Qn(0) = h(0)'w,h(0) [T₁1…

A: If there are n sample elements (or variables) in a random sample, then first order sample moment is…

Q: Then find E[X], E[X2], E[2X +5], E[(X+1)²].

A:

Q: ship between social distress and change

A: A scatter plot is a tool for graphically presenting data.  A simple scatter plot uses the coordinate…