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:

Natural Selection

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The prevailing cosmological model explaining the early development of the Universe, suggesting it expanded from a singularly hot and dense point about 13.8 billion years ago.

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