One-Sample Statistics Std. Error Mean Mean Std. Deviation 6.969 8.366 1461 Actua

Question

One-Sample Statistics Std. Error Mean Mean Std. Deviation 6.969 8.366 1461 Actual Sleep in a Typical Night (Hours) Desired Sleep Each Night (Hours) 71 1.2310 71 1.1243 .1334 One-Sample Test Test Value0 95% Mean Sig. (2-tailedDifference 6.9690 df Lower Actual Sleep in a Typical 47.703 70 6.678 Night (Hours) Desired Sleep Each Night62.703 (Hours) 70 8.3662 8.100 One-Sample Test Test Value = 0 95% Confidence Interval of the. Upper Actual Sleep in a Typical Night (Hours) Desired Sleep Each Night (Hours) 7.260 8.632

Explanation / Answer

The t value to be used in this case is the desired sleep whose t value is 62.703 , we check the t table for

df = 50

alpha = 0.05

and t = 62.703

and for 2 tail test , as we are interested in the " differ from 8 hours " part

The P-Value is < .00001.

The result is significant at p < .05.

as the p value is less than 0.05 , hence we reject the nulll hypothesis

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