Given a set of scores below, write down the scores one, two, and three standard deviations above the mean and below the mean. и— 12 and o = 1.5 T=1.5

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A: (3)

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A: GivenMean(μ)=86standard deviation(σ)=0.6

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Q: 2. Ben gets a score of 75 in a Chemistry test and 70 in a Physics test. Scores in a Chemistry test h...

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Q: Show your complete solution.

A: Here Given Score maths Test is Normally distributed with  Mean=μ=50 Sd=σ=5

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A: Here use definition of equivalent set

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A: A paired t test would be used to check the significant mean difference between two groups.