Question

a pet store owner had her staff count the number of fish in each tank. use the data to complete the histogram below. fish per tank 4 5 8 12 14 17 21 24 34 41 42 46 49 click to set the height of a missing bar. fish per tank number of tanks 0 - 9 10 - 19 20 - 29 30 - 39 40 - 49 number of fish

Explanation:

Step1: Count data in 10 - 19

Count numbers between 10 and 19 (inclusive) in the data set: 12, 14, 17. There are 3.

Step2: Count data in 20 - 29

Count numbers between 20 and 29 (inclusive) in the data set: 21, 24. There are 2.

Step3: Count data in 30 - 39

Count numbers between 30 and 39 (inclusive) in the data set: 34. There is 1.

Step4: Count data in 40 - 49

Count numbers between 40 and 49 (inclusive) in the data set: 41, 42, 46, 49. There are 4.

Answer:

The heights of the bars for the intervals 10 - 19, 20 - 29, 30 - 39, 40 - 49 should be set to 3, 2, 1, 4 respectively.