Question

Here are the scores of 13 students on an algebra test.

65, 72, 73, 73, 77, 80, 81, 82, 83, 85, 86, 90, 91
Notice that the scores are ordered from least to greatest.
Give the five-number summary and the interquartile range for the data set.

Answer 1

Q1=65

Range= 65-91= 26

Median= 81

Mode= 73

Median=953 ( if your confused on how to get mode juts add all the scores of the 13 students and then divided by the 13 students so 65,+ 72,+ 73+, 73, +77, +80, +81, +82, +83, +85,+ 86,+ 90,+ 91+÷13=953)

Q2=91