Question

A set of sample data has a mean of 147.8 and a standard deviation of 17.2. Would 113.7 be an unusual data value?

Answer 1

if its more than 2 sds away from the mean than yes

Answer 2

(x-mean)/sd will tell us

Answer 3

.... my fat fingers hit the wrong keys on my calculator; what do you get?

Answer 4

1.98 is within 2 sds; so no

Answer 5

i got -1.98 which is below -2?

Answer 6

its between -2 and 2 ..

Answer 7

so that would be usual