Ten out of 50 participants scored between 65 and 75 on a test. What is the relative frequency of the class interval 65-75?
A) .20
B) .10
C) 10
D) .50
Correct Answer:
Verified
Q13: A frequency polygon is a
A)bar graph.
B)table.
C)line graph.
D)histogram.
Q14: What is the mean of these scores:
Q15: When describing data, researchers should choose methods
Q16: How would you convert a grouped frequency
Q17: Which of the following is not a
Q19: Extreme scores in a sample are called
A)modes.
B)intervals.
C)outliers.
D)deviations.
Q20: A researcher is studying patterns of marriage
Q21: Scores on a test range from 12
Q22: A distribution in which there are more
Q23: What does a z-score tell us?
A)Where a
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