A Study Was Conducted on the Effects of Lack of REM

question 114

Essay

A study was conducted on the effects of lack of REM sleep on the ability to recall a list of words. The study found that, of participants deprived of normal REM sleep, 4 scored high on memory recall, 7 scored moderately, and 9 scored low. Of participants who received normal sleep, 10 scored high, 9 moderately, and 1 low. Do these results suggest that REM sleep is related to how people score on the memory recall? (Use the .01 significance level.)
a. Use the five steps of hypothesis testing.
b. Sketch the chi-square distribution.
c. Explain the logic of what you have done.
d. Figure a measure of effect size and indicate whether it is small, medium, or large.
e. Figure the approximate power.

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Definitions:

Cell Entry

The action of inputting data into a spreadsheet cell or the data itself that has been entered.

Cell References

Notations that identify the location of a cell or group of cells in a spreadsheet by their row and column details.

Formula

An expression or equation that calculates values in a spreadsheet or mathematical setting.

Circular Reference

A situation in which a formula or calculation in a system refers back to itself directly or indirectly, potentially causing errors or infinite loops.