A study using two random samples found that the mean amount of time spent per week on leisure activities is shown below. At a=.05 can it be concluded that there is a significant difference in the average times each group spends on leisure activities? Let the 26-35 age group be group 1 25-35 years          46-55 years n       40                    32 xbar 39.6                  35.4 s       6.3                    5.8 Find the point estimate Find the critical value(s) Find the margin of error Construct the confidence interval

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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A study using two random samples found that the mean amount of time spent per week on leisure activities is shown below. At a=.05 can it be concluded that there is a significant difference in the average times each group spends on leisure activities? Let the 26-35 age group be group 1

25-35 years          46-55 years

n       40                    32

xbar 39.6                  35.4

s       6.3                    5.8

Find the point estimate

Find the critical value(s)

Find the margin of error

Construct the confidence interval

 

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