Question: Consider the values in the following table. What would be the mean and standard deviation of x-variable? Statistic x y mean ? 18 Std. Dev.

Consider the values in the following table. What would be the mean and standard deviation of x-variable?

Statistic

x

y

mean

?

18

Std. Dev.

?

4

y-predicted = 30 - 2x

r = -0.60

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