Question

35 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 21

Explanation:

Step1: Recall mode definition

The mode is the value that appears most frequently in a data - set.

Step2: Analyze the dot - plot

Count the number of dots for each value on the number line. We can see that the values 15 and 21 have the highest number of dots compared to other values.

Answer:

15, 21