Q:

A given by no real distribution has a mean of 153.1 and a standard deviation of 18.2 would a value of 187 be considered usual or unusual? why?

Accepted Solution

A:
♫ - - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - ♫➷ (18.2 x 2) + 153.1 = 189.5 (this is considered the highest value)153.1 - (18.2 x 2) = 116.7 (this is considered the lowest valueAn unusual value would be more than 2 standard deviations away from the mean in a positive or negative direction. In this case, the value is less than the highest value. The value of 187 would be considered usual as it is less than 2 standard deviations away from the mean. ✽➶ Hope This Helps You!➶ Good Luck (:➶ Have A Great Day ^-^↬ ʜᴀɴɴᴀʜ ♡