A lesbian couple recently asked their friend Paul if he would donate sperm so they can conceive a child. Paul was honored by the request, but declined because he was concerned about the child having an increased risk for developing schizophrenia later in life. How old is Paul?
a. 17
b. 36
c. 47
d. 53
Answer: d. 53
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When infants babble, they tend to babble
a. sounds they have heard before. b. names for mommy and daddy. c. vowel sounds only. d. combinations of consonants and vowels.
Which statement describes an essential requirement for stereotype threat to occur?
a. The individual in question must be a member of a minority group. b. The individual in question must be aware of negative stereotypes about his or her group. c. The individual in question must have below-average ability for the task in question. d. The individual in question must regularly participate in activities that draw racial disapproval from others.
The 95% confidence interval for the difference between two treatment means extends from 2.50 to +5.50 . Based on this information, you can conclude that there is no significant difference between the treatments at the .05 level of significance
Indicate whether the statement is true or false
When the distribution is symmetric and unimodal, which of the following are always equal?
a. mean and mode b. median and mode c. mean and median d. mean, median, and mode