Forty-Six Members of a Bowling League Sign Up for a Program

question 70

Multiple Choice

Forty-six members of a bowling league sign up for a program that claims to improve bowling scores. The participants bowl a set of five games before the program begins and a set of five games again at the end to
Measure their improvement. The mean number of points improved (over the set of five games) was $\bar { x } = 14$ . Assume the standard deviation is $\sigma = 59$ and let $\mu$ be the population mean number of points improved for the set of five games. To determine whether the program is effective, a test is made of the hypotheses $H _ { 0 } : \mu = 0$ versus $H _ { 1 } : \mu > 0$ . Compute the value of the test statistic.

• A) 1.61
• B) 12.36
• C) 0.24
• D) 0.0537

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Definitions:

Best Interests

A principle that guides decisions in the legal system, especially in family and child law, ensuring that the outcomes serve the optimal welfare of the individuals involved.

Adopting Parents

Individuals or couples who legally take on the responsibility to raise a child not biologically their own.

No-fault Divorce

A type of divorce where the dissolution of marriage does not require proof of wrongdoing by either party.

Fault-based Divorce

A type of divorce where one party is deemed responsible for the failure of the marriage due to reasons such as adultery, abandonment, or abuse.