Consider the Following Results for Two Samples Randomly Taken from Two

question 148

Short Answer

Consider the following results for two samples randomly taken from two populations.
$\begin{array}{lcc}&\text { Sample A } & \text { Sample B } \\\text { Sample Size }&28 &30\\\text { Sample Mean }&24 & 22 \\\text { Sample Standard Deviation }&8& 6\end{array}$
a. Determine the degrees of freedom for the t distribution.
b. Develop a 95% confidence interval for the difference between the two population means.
c. Is there conclusive evidence that one population has a larger mean? Explain.

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Definitions:

Bequest

A gift of personal property by will (from the verb to bequeath).

Residuary

Relating to the remainder of an estate after debts, specific bequests, and expenses have been accounted for.

Intestacy Laws

Legal provisions that dictate the distribution of a deceased person's estate in the absence of a will.

Per Stirpes

is a legal term used in wills and estate planning that describes how assets are divided among heirs, according to branches of the family.