Of These Pairs of Ages, the Correlation Between IQ Score

question 31

Multiple Choice

Of these pairs of ages, the correlation between IQ score at one age and IQ score at the later age is HIGHEST for which pair?

• A) 3 years and 5 years
• B) 7 years and 9 years
• C) 5 years and 10 years
• D) 8 years and 9 years

Understand the robustness of the t-test under non-normal population distributions.

Calculate the value of A for specific confidence levels using sample size.

Determine the margin of error for population mean estimates from samples.

Recognize how sample size affects the margin of error in confidence intervals.