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A sample of students from an introductory psychology class were polled regarding the number of hours...

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Statistics

A sample of students from an introductory psychology class werepolled regarding the number of hours they spent in studying for thelast exam. All students anonymously submitted the number of hourson a 3 by 5 card. There were 24 individuals in the one section ofthe course polled. There data are below: 4.5, 22, 7, 14.5, 9, 9,3.5, 8, 11, 7.5, 18, 20, 7.5, 9, 10.5, 15, 19, 2.5, 5, 9, 8.5, 14,20, 8.

A. based on the sample results, find the 95% confidenceinterval.

B. Interpret the result

C.Do you expect a 90% confidence interval to be wider ornarrower and why.

Answer & Explanation Solved by verified expert
4.4 Ratings (899 Votes)
Here in this Question the sample of students from introductorypsychology class were polled regarding the no of hours they spendfor studying for last examHere the sample of size 24 students spend the no of hour isstudying is given below45 22 7 145 9 9 35 8 11 75 18 20 75 9 10515 19 25 5 9 85 14 20 8Now here Based on sample results we have to computeA The 95 Confidence    See Answer
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