Estimating Summary Statistics Use the dataset given below.

42, 43, 45, 46, 46, 47, 47, 49, 49, 51, 54, 54, 55, 55, 57, 58

(a) Without doing any calculations, estimate which of the following numbers is closest to the mean. 50

45

57

54

(b) Without doing any calculations, estimate which of the following numbers is closest to the standard deviation. 55

5

1

47

10

(c) Use StatKey or other technology to find the mean and the standard deviation for this dataset. Round your answers to one decimal place. mean = Enter your answer in accordance to item (c) of the question statement standard deviation = Enter your answer in accordance to item (c) of the question statement