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