A Birth-Order Effect Seems to Play a Role in Sexual

question 57

Multiple Choice

A birth-order effect seems to play a role in sexual orientation among

• A) men who are right-handed.
• B) women who are right-handed.
• C) men who are not right-handed.
• D) both men and women who are not right-handed.

---

Definitions:

Sample Mean

The average of a set of numerical values taken from a larger population, used as an estimate of the population mean.

Critical Value

A threshold value in hypothesis testing used to determine whether to reject the null hypothesis, based on the observed statistic and the chosen significance level.

Null Hypothesis

A hypothesis that there is no significant difference or effect and serves as a default position until evidence suggests otherwise.

P-Value

The probability of observing results as extreme as those obtained during a statistical hypothesis test, assuming the null hypothesis is true.