Complete the statement "z = " for each data value.

Question

a. A data value 0.2 standard deviation below the mean.
b. A data value 1.4 standard deviations below the mean.
c. A data value 3 standard deviations above the mean.

Answer 1

a. A data value 0.2 standard deviation below the mean:

z = -0.2

b. A data value 1.4 standard deviations below the mean:

z = -1.4

c. A data value 3 standard deviations above the mean:

z = 3