The results from a recent 10-point quiz are as follows: 10, 8, 10, 6, 7, 3, 5 What is the mean score on this quiz? __________________ What is the variance of scores on this quiz? _________________ What is the standard deviation of the scores on this quiz? _______________ You got the 8 out of 10 in the set of scores above You also got an 8 on the last quiz. The last quiz had an average score of 7.5 and had a standard deviation of 6. Which quiz did you perform better, and why?

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A: (1)11,10,8,4,6,7,11,6,11,7(2)15,8,12,5,19,14,8,6,13

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A: GivenMean(μ)=77.6standard deviation(σ)=3.4

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A:

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Q: Mean=___________ Standard deviation=________________ Varianace=______________ oops now you…

A: Given : x 25.9 40.1 44.3 40.2 31.7 48.9 47

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A:

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Q: Suppose that the scores on a statewide standardized test are normally distributed with a mean of 65…

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