Recently,a Department Store Chain Was Interested in Determining If There

question 83

Multiple Choice

Recently,a department store chain was interested in determining if there was a difference in the mean number of customers who enter the three stores in Seattle.The analysts set up a study in which the number of people entering the stores was counted depending on whether the day of the week was Saturday,Sunday,or a weekday.The following data were collected: Given this format,what is the null hypothesis for testing whether blocking is effective?

• A) : = =
• B) : = =
• C)Not all means are equal.
• D) : = =

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Definitions:

Compound Interest

Interest calculation that encompasses both the initial principal and the cumulative interest that has accrued in preceding periods on a deposit or loan.

Simple Interest

A way of calculating interest where the interest charge is based on the original principal amount alone.

Compounded Annually

A method of calculating interest where the interest amount is added to the principal sum at the end of each year, affecting the total interest for the next year.

Interest on Interest

The compound interest that is calculated not only on the initial principal but also on the accumulated interest of previous periods.