Random Samples Were Selected from Three Populations

question 40

Essay

Random samples were selected from three populations.The data obtained are shown below.Please note that the sample sizes are not equal.

a.Compute the overall mean.
b.At 95% confidence using the critical value and p-value approach,test to see if there is a significant difference among the means.

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Definitions:

Prescription Medication

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Bedridden

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Physical, sexual, or psychological harm by a current or former partner or spouse, regardless of gender or marital status.

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