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Given the following scores: 7, 13, 8, 5, 9, 12, 15, 22, 10, and 9 find the mean, median, mode, variance and standard deviation.


Sagot :

Answer:

5 7 8 9 9 10 12 13 15 22

Mean: 11

Median: 11

Mode: 9

Variance: 20.2

Standard Deviation: 4.49

Step-by-step explanation:

Mean: add all the scores divide it into their count

Median: arrange from lowest to highest then get the midpoint

Mode: choose the most repeating numbers

Variance: Class - mean and then square

Standard Deviation: Square root Variance