Select the true statement concerning percentiles and percentile ranks.
A) If a person has scores on several different measures, his or her mean percentile rank is a good indication of overall ability.
B) If for a 200-point test administered to 60 students the percentile rank of the score 57 is 25, this indicates that 25% of the scores are below 57.
C) If a sit-up test was administered to 75 children and 20% of the children did 25 sit-ups, the percentile rank of the score 25 would be 20.
D) The 86th percentile is the score at or below which 86% of the group scored.
E) Percentile ranks are seldom used because they are difficult to interpret.
Correct Answer:
Verified
Q1: Select the false statement below.
A) The classification
Q2: Select the false statement below.
A) A measure
Q3: A researcher reported that for 100 college
Q5: A researcher determined that the correlation between
Q6: Select the false statement below.
A) A correlation
Q7: Select the false statement concerning the range.
A)
Q8: When the data distribution is skewed, which
Q9: When the data distribution is normal, which
Q10: The mean of T-score distribution is:
A) 50.
B)
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