The median for the set of scores 12, 28, 33, 45, 67, 67, 98 is ________
a. 50
b. 45
c. 98
d. 67
Answer: b
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The Curtis family is made up of mom and dad, eight-year-old Susan, five-year-old Grant, and the identical twins Christopher and Carson. With regard to genetic make-up, Christopher is most similar to his:
A. mother B. father C. identical twin D. brother
On her first day as a student teacher, Emily observes that, in her class of 11-year-old sixth graders, on average:
A) the girls are taller than are the boys. B) the children all appear similar in height. C) the boys are taller than are the girls. D) more boys than girls are exhibiting secondary sex characteristics.
Period of life with the most changes and peak physical condition go together in which age period?
a. 25–39 b. 40–64 c. 65–74 d. 75+
Which of the following is accurate concerning the risk factors for cardiovascular disease?
A) The primary risk factors are not well known. B) Risk factors such as high cholesterol or smoking do not constitute an increased risk when both are present. C) The more high-risk behaviors or characteristics a person has, the higher the person's risk of heart disease. D) Widespread publicity about the dangers of smoking and high cholesterol has had little effect on the rate of cardiovascular disease risks for most Americans.