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A sample of 20 cans of tomato juice showed a standard deviation of 4 ounces. A 95% confidence interval estimate of the variance for the population is O a. 2313 to .8533. Ob. 2224 to.7924. Oc..3042 to .5843. O d. 0925 to .3413.

A sample of 20 cans of tomato juice showed a standard deviation of 4 ounces. A 95% confidence interval estimate of the variance for the population is O a. 2313 to .8533. Ob. 2224 to.7924. Oc..3042 to .5843. O d. 0925 to .3413.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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с Too Weekly nccu.blackboard.com webeppotesse Question Completion Status: QUESTION 9 A sample of 20 cans of tomato juice showed a standard deviation of 4 ounces. A 95% confidence interval estimate of the variance for the population is O a. 2313 to .8533. O b. 2224 to .7924. O c. 3042 to .5843. O d. 0925 to .3413. QUESTION 11 If there are three or more populations, then it is O a. possible to test for equality of three or more population proportions. Black QUESTION 10 The manager of the service department of a local car dealership has noted that the service times of a sample of 16 new automobiles has a standard deviation of 5 minutes. A 95% confidence interval estimate for the variance of service times for all their new automobiles is O a. 13.642 to 59.885. Ob. 9.46 to 34.09. Oc. 2.144 to 9.948. Od. 2.728 to 11.977. O b. impossible to test for equality of the three population proportions, because chi-square O tests deal with only two populations. O c. customary to use a t distribution to test for equality of the three population O proportions. Click Save and Submit to save and submit. Click Save All Answers to save all answers. Hb Exam C
Transcribed Image Text:с Too Weekly nccu.blackboard.com webeppotesse Question Completion Status: QUESTION 9 A sample of 20 cans of tomato juice showed a standard deviation of 4 ounces. A 95% confidence interval estimate of the variance for the population is O a. 2313 to .8533. O b. 2224 to .7924. O c. 3042 to .5843. O d. 0925 to .3413. QUESTION 11 If there are three or more populations, then it is O a. possible to test for equality of three or more population proportions. Black QUESTION 10 The manager of the service department of a local car dealership has noted that the service times of a sample of 16 new automobiles has a standard deviation of 5 minutes. A 95% confidence interval estimate for the variance of service times for all their new automobiles is O a. 13.642 to 59.885. Ob. 9.46 to 34.09. Oc. 2.144 to 9.948. Od. 2.728 to 11.977. O b. impossible to test for equality of the three population proportions, because chi-square O tests deal with only two populations. O c. customary to use a t distribution to test for equality of the three population O proportions. Click Save and Submit to save and submit. Click Save All Answers to save all answers. Hb Exam C
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