If height and weight have a positive correlation, what does this tell you about the relationship between these variables?
a. Height and weight are unrelated.
b. Taller people are almost never heavier, but there are exceptions to the rule.
c. Shorter people tend to be heavier.
d. Taller people are usually heavier, but there are exceptions to the rule.
Answer: D
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As children enter school and receive more feedback about how well they perform compared with their peers, self-esteem usually
A) adjusts to an extremely high level. B) stays the same as it was during the preschool years. C) adjusts to a more realistic level. D) adjusts to an extremely low level.
Hugh and Rebecca are concerned about their daughter Grace's intake of carbohydrates because they want to ensure that Grace
A) will grow properly. B) has healthy bones. C) will be properly insulated. D) has enough energy.