Use the Following to Answer Questions

question 15

Short Answer

Use the following to answer questions :
The mean weekly earnings of all female workers in a state is $710 and the mean weekly earnings of all male workers in the same state is $760.The standard deviations of the weekly earnings are $86 for the females and $106 for the males.Suppose we take one sample of 316 female workers and another sample of 329 male workers from this state.
-What is the mean of the sampling distribution of the difference between the mean weekly earnings for females and males?

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Definitions:

Interpretation

The act or process of explaining the meaning of something; often applies to text, actions, or events.

Secondary Xylem

The part of a plant that transports water and nutrients from the roots to the shoots and leaves and provides support, formed after the primary xylem.

Vascular Cambium

A layer of tissue in plants that produces new vascular tissue, contributing to the plant's secondary growth.

Bark

The outermost covering over woody stems and roots; consists of all plant tissues located outside the vascular cambium.