# Interpret confidence intervals for average daily exercise times

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Calculate and interpret the following confidence intervals

1) 95% CI for the average daily exercise time of males

2) 99% CI for the average daily exercise time of females

Data (in minutes):

males (15):

60

40

50

90

50

60

10

10

35

70

43

25

15

25

30

females (15):

45

55

60

60

40

70

10

25

40

38

20

35

20

45

20

Then calculate finite population correction factor if the population size is 400. Are the correction factors same or different for the two variables? Justify

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The expert interpret confidence intervals for average daily exercise times.

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calculate and interpret the following confidence intervals

1) 95% CI for the average daily exercise time of males

With 95% confidence level, α=0.05, and the corresponding critical value, or z-score isz_(α/2)=1.96

So (X ̅-1.96 s/√15,X ̅+1.96 s/√15)= (40.87-1.96 ...

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