For a Sample of N = 30 Scores,X = 45

question 64

Multiple Choice

For a sample of n = 30 scores,X = 45 corresponds to z = 1.50 and X = 40 corresponds to z = +1.00.What are the values for the sample mean and standard deviation?​

• A)​M = 35 and s = 10
• B)​M = 30 and s = 15
• C)​M = 35 and s = 15
• D)​M = 30 and s = 10

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