(b)

the actual width of the room was 42.6 feet. sup-

pose we calculated the error in each student's

guess as follows: guess - 42.6. find the mean and

standard deviation of the errors. how good were

the students' guesses? justify your answer.

guess_ft

variable n

guess ft 69

mean

43.70

stdev minimum 02 median q3 maximum

12.50 24.00 35.50 42.00 48.00 94.00