Practice with Measures of the Center of Data

Complete these exercises and check your answers.

Answers

43. The most frequent lengths are 25 and 27, which occur three times. Mode = 25, 27

45. 4

47. The data are symmetrical. The median is 3 and the mean is 2.85. They are close, and the mode lies close to the middle of the data, so the data are symmetrical.