1- in a normal distribution changing the standard deviation, Ask an Expert

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1- In a normal distribution, changing the standard deviation: Ch 6 pg 300

A.makes the curve more robust

B.shifts the curve left or right

C.splits the distribution to two curves

D.makes the curve more or less spread out
2- The standard deviation of a probability distribution is a:

A.measure of central location

B.measure of skewness of the distribution

C.measure of relative likelihood

D.measure of variability of the distribution
3- WhWhat probability value would be needed to complete the following probability distribution?

X -2 -1 0 1 2
P(X) 0.13 0.14 ___ 0.16 0.29

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Category:- Statistics and Probability
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