Assume That You Want to Test the Claim That the Paired

question 119

Multiple Choice

Assume that you want to test the claim that the paired sample data come from a population for which the mean difference
is $\mu _ { \mathrm { d } } = 0$ 0. Compute the value of the t test statistic. Round intermediate calculations to four decimal places as needed and
final answers to three decimal places as needed.
-The following table shows the weights of nine subjects before and after following a particular diet for two months. You wish to test the claim that the diet is effective in helping people lose weight. What is the value of
The appropriate test statistic? $\begin{array}{r|ccccccccc}\text { Subject } & \text { A } & \text { B } & C & \text { D } & \text { E } & \text { F } & \text { G } & H & \text { I } \\\hline \text { Before } & 168 & 180 & 157 & 132 & 202 & 124 & 190 & 210 & 171 \\\hline \text { After } & 162 & 178 & 145 & 125 & 171 & 126 & 180 & 195 & 163\end{array}$

• A) \(3.156\)
• B) \(9.468\)
• C) \(0.351\)
• D) \(1.052\)

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Definitions:

Middle Adulthood

A stage of life, typically considered to occur from around age 40 to 65, marked by stability, growth in professional and personal life, and often by changes in physical and cognitive abilities.

Recessive Gene

A gene that produces its characteristic phenotype only when its allele is identical—requiring two copies for the trait to be expressed.

Carriers

Individuals who have one copy of a mutated gene that can lead to certain genetic conditions but do not show symptoms themselves.

Tay-Sachs Disease

Tay-Sachs Disease is a fatal genetic disorder, typically identified in infants, that results in the destruction of nerve cells in the brain and spinal cord.