Miles (1000s of miles) Mean 150.7 Variance 4.661 Observations 46 Hypothesized Mean 150 45 p = Ex 1.234 t Stat P(Tet) one-tail t Critical one-tail P(Tet) two tail t Critical two tail Confidence Level(95.O%) 0.641 2.185 0.017 1.679 0.034 2.014 t= Ex: 1.234 What condition is met for the use of a t-distribution? Pick Pick z = Ex 1 The population is stated to be not skewed. The sample size is larger than 30. n = Ex 5 Degrees of freedom = Ex: 5 s = Ex 1.234
Miles (1000s of miles) Mean 150.7 Variance 4.661 Observations 46 Hypothesized Mean 150 45 p = Ex 1.234 t Stat P(Tet) one-tail t Critical one-tail P(Tet) two tail t Critical two tail Confidence Level(95.O%) 0.641 2.185 0.017 1.679 0.034 2.014 t= Ex: 1.234 What condition is met for the use of a t-distribution? Pick Pick z = Ex 1 The population is stated to be not skewed. The sample size is larger than 30. n = Ex 5 Degrees of freedom = Ex: 5 s = Ex 1.234
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 2AGP
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Question
An auto maker is interested in information about how long transmissions last. A sample of transmissions are run constantly and the number of miles before the transmission fails is recorded. The auto maker claims that the transmissions can run constantly for over 150,000 miles before failure. The results of the sample are given below.
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p value, degree of freedom, n abd test statistic, sample mean and sample standard deviation, test statistic from above table.
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