Which statement is true about the data point 84? The graph shows a distribution of data with a standard
deviation of 6.
It is within 1 standard deviation of the mean.
It is within 2 standard deviations of the mean.
* It is exactly 3 standard deviations from the mean.
It is exactly 4 standard deviations from the mean,
60
63
66
69
72
75
78
81
84
87
90 x