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The test scores of 30 students are listed below. Find the five-number summary. 31              41...

The test scores of 30 students are listed below. Find the five-number summary.

31              41        45        48        52        55        56        58        63        65

67              67        69        70        70        74        75        78        79        79

80              81        83        85        85        87        90        92        95        99

Find the percentile that corresponds to a score of 74.

90th percentile
50th percentile
40th percentile
30th percentile
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Question 224 pts

The test scores of 30 students are listed below. Find the five-number summary.

31              41        45        48        52        55        56        58        63        65

67              67        69        70        70        74        75        78        79        79

80              81        83        85        85        87        90        92        95        99

Which test scores are above the 75thpercentile?

90, 92, 95, 99
87, 90, 92, 95, 99
85, 85, 87, 90, 92, 95, 99
83, 85, 85, 87, 90, 92, 95, 99
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Question 234 pts
Find the z-score for the value 62, when the mean is 79 and the standard deviation is 4.
z = 0.73
z = -0.73
z = -4.25
z = -4.50
Math   Statistics-And-Probability   
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