Question

students were surveyed on how many hours they spend online each week. the line plot shows the responses. choose the two modes of the data set. 11 15 18 21 23

Explanation:

Step1: Recall mode definition

The mode is the value(s) that appear most frequently in a data - set.

Step2: Count frequencies from line - plot

Count the number of dots above each value on the number line. The number of dots above 16 and 21 is higher than the number of dots above other values.

Answer:

16, 21