Which of the following statements is true about frequency polygons?
A. They use bars to display a frequency distribution for a quantitative variable.
B. They are especially useful when the data represent ordinal scales.
C. They are particularly useful when representing nominal scale information.
D. They use a line to represent the distribution of frequencies of scores.
Answer: D
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a. people's names b. how to find his way to a new residence c. skills like mazes and puzzles d. events in recent history
The independent variable of the experiment is _____________, whereas the dependent
variable of the experiment is _______________. A) taste : type of cola B) type of cola : correctness of identification C) correctness of identification : type of cola D) taste : correctness of identification
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A. Jill, a 15-year-old girl B. Joe, a 10-year-old boy C. Jack, a 35-year-old man D. Juana, a 45-year-old woman
During the final two months of the fetal period all of the following occur except
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