When scores are grouped, it is desirable to use ____________ class intervals.
A) 5-10
B) 5-20
C) 10-20
D) 15-20
Correct Answer:
Verified
Q6: Construct a relative frequency distribution (use proportions)
Q7: The director of the work-experience program at
Q8: For each of the following intervals, give
Q9: Construct a cumulative percentage distribution for the
Q10: It is claimed that class intervals should
Q12: The magnitude of grouping error is
A) greatest
Q13: John uses our guidelines to arrive at
Q14: The lowest score is 23 and the
Q15: The lowest score is 23 and the
Q16: We plan to use an interval size
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