Question 3 1 pts Under the normal curve, approximately what percent of scores fall between and...

Question

Question

Question 3 1 pts Under the normal curve, approximately what percent of scores fall between and -1 to +1 standard deviations a

Question 7 1 pts If a distribution has a mean of 50 and a standard deviation of 5, what value would be -1 standard deviations

Answer 1

Answer #1

3)

about 68% of observation of data lie within 1 std dev away from mean

so answer: 68%

7) x=Zσ+µ = -1*5+50 = 45 (answer)

Answer 2

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