Construct and Interpret Confidence Intervals About the Population Mean Difference $95 \%$

question 107

Multiple Choice

Construct and Interpret Confidence Intervals about the Population Mean Difference of Matched -Pairs Data
-Nine students took the SAT. Their scores are listed below. Later on, they read a book on test preparation and retook the SAT. Their new scores are listed below. Construct a $95 \%$ confidence interval for $\mu _ { \mathrm { d } }$ . Assume that the distribution is normally distributed.

• A) \(( - 30.503 , - 0.617 )\)
• B) \(( - 20.341,4.852 )\)
• C) \(( - 10.321,15.436 )\)
• D) \(( 1.651,30.590 )\)

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Definitions:

Reproductive

Pertaining to the biological system and processes in organisms that lead to offspring production.

Nonreproductive

Pertains to functions or aspects of an organism that do not relate to reproduction or the production of offspring.

Adolescent Males

Young males typically within the age range of 13 to 19 years, going through the developmental stage of adolescence.

Sambians

A cultural or ethnic group, specifically mentioned in anthropological studies for their unique practices and beliefs; without more context, further specificity is needed.