Question

1. the scores on a mathematics test are: 42, 51, 58, 64, 70, 76, 76, 82, 84, 88, 88, 90, 94, 94, 94, 97 a) find the mean, range, and mode. b) find the standard deviation. c) find the five number summary. d) find the iqr.

Explanation:

Answer:

(a) Mean: 74.5, Range: 55, Mode: 94
(b) Approximately 15.7
(c) Minimum: 42, Q1: 61, Median: 78, Q3: 90, Maximum: 97
(d) 29