In Developing an Interval Estimate for a Population Mean,a Sample $\pm$

question 135

Multiple Choice

In developing an interval estimate for a population mean,a sample of 50 observations was used.The interval estimate was 19.76 $\pm$ 1.32.Had the sample size been 200 instead of 50,the interval estimate would have been:

• A) 19.76 \(\pm\) .33.
• B) 19.76 \(\pm\) .66.
• C) 9.88 \(\pm\) 1.32.
• D) 4.94 \(\pm\) 1.32.

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Definitions:

Gallons

A unit of volume measurement used primarily in the United States, equivalent to 3.785 liters.

Liters

A metric unit of volume equal to one cubic decimeter, used to measure liquids and gases.

Reception

The act or process of receiving guests or answering calls in settings such as hotels, events, or offices.

USDA

The United States Department of Agriculture, an agency overseeing agriculture, food safety, and rural development.