Essay
Five high school English teachers were given a grammar test. Their scores were as follows: 17, 19, 14, 20, 20.
Figure the mean, mode, variance, and standard deviation for this sample.
Explain what you have done and what the results mean to a person who has never had a course in statistics.
Correct Answer:

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Mean = 90/5 = 18
Mode = 20
Var...View Answer
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Correct Answer:
Verified
Mode = 20
Var...
View Answer
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