A Random Sample of 9 TI-89 Titanium Calculators Being Sold $\sigma = 116$

question 21

Multiple Choice

A random sample of 9 TI-89 Titanium calculators being sold over the internet had the following A college admissions officer takes a simple random sample of 120 entering freshmen and computes their mean mathematics SAT score to be 448 . Assume the population standard deviation is $\sigma = 116$ .
Based on a $98 \%$ confidence interval for the mean mathematics SAT score, is it likely that the mean mathematics SAT score for entering freshmen class is greater than 464 ? (Hint: you should first construct the $98 \%$ confidence interval for the mean mathematics SAT score.)

• A) \(\mathrm { Yes }\)
• B) The likelihood cannot be determined.
• C) \(\mathrm { No }\)

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Definitions:

Paasche Price Index

A price index that measures the price changes between the current and base period by using the current period quantities as weights.

Doggerel

Doggerel denotes poorly written verse, often characterized by its triviality or nonsensical content.

Paasche Price Index

A price index that measures the change in the purchasing power of a basket of goods and services, using the current period consumption pattern as the weight.

Doggerel

Verse or words that are clumsily formed or expressed, often lacking in artistic value.