Solution-Performing a paired t test on the differences

Performing a paired t test on the differences

Reference no: EM131817859

Samples of rainbow trout taken from the Spokane River were tested for lead and for zinc content, in milligrams per kilogram.

1288_Samples of rainbow trout.png

a. Suppose we consider performing a paired t test on the differences, lead minus zinc. Just by looking at the numbers, predict whether the t statistic will be very large in absolute value and negative, very close to zero, or very large in absolute value and positive; explain.

b. Based on your response to part (a), predict whether the P-value will be very small, not small at all, or borderline.

c. By hand or with software, carry out the paired test; first report the t statistic.

d. Report the P-value of the test.

e. Comment on whether or not your predictions in parts (a) and (b) were correct.

Reference no: EM131817859

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Performing a paired t test on the differences

Reference no: EM131817859

Reference no: EM131817859

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