State the appropriate null and alternate hypotheses the hy

-State the appropriate null and alternate hypotheses.

_______________

_______________

-the hypothesis test is a _____________tailed test.

-compute the p value. Round the answer to four decimal places. p value = _______________

-Determine whether to reject H0

-State a conclusion

Solution

As p value < 0.05, reject null hypothesis.

Tread mill users have a less average than control groups.

Walked Not walked
Sample size n 39 56
Mean 325 356
std dev 71 99
H0: mu1 =mu2
Ha: mu1<mu2
Left tailed test at 0.05% level.
Unpooled (unequal variances)
t-value -1.7772
degress of freedom 92.8991
one-tailed p-value 0.0394
-State the appropriate null and alternate hypotheses. _______________ _______________ -the hypothesis test is a _____________tailed test. -compute the p value.

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