The hand spans, to the nearest cm, of some students in a class are shown below: 19, 22, 21, 15, 18, 22, 17, 19, 16, 21, 19, 18, 22, 20, 21, 22, 19, 15, 17, 21 henry created the following incorrect dot plot to represent the data: dot plot showing 2 dots over 15, 1 dot over 16, 2 dots over 17, 2 dots over 18, 4 dot over 19, 1 dot over 20, 5 dots over 21, and 4 dots over 22 what should henry do to make the dot plot correct?

Student should remove 1 dot from the 5 dots over 21.

Step-by-step explanation:

The hand spans, to the nearest cm, of some students in a class are shown below:

19, 22, 21, 15, 18, 22, 17, 19, 16, 21, 19, 18, 22, 20, 21, 22, 19, 15, 17, 21

The frequency table of given data set is

Observation            Frequency

       15                             2

       16                             1

       17                             2

       18                             2

       19                             4

       20                            1

       21                             4

       22                            4

Correct dot plot showing 2 dots over 15, 1 dot over 16, 2 dots over 17, 2 dots over 18, 4 dot over 19, 1 dot over 20, 4 dots over 21, and 4 dots over 22.

Student makes 5 dots over 21, which is incorrect.

Student should remove 1 dot from the 5 dots over 21.

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step-by-step explanation: