Statistics Unit Test

Question

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Question
Use the image to answer the question.
An illustration shows two sets of dot plots. One is titled Gas Mileage in miles per gallon, Cars and the other is Gas Mileage in miles per gallon, S U Vs. The plots are shown as dots in a vertical row over each number on a number line. For Cars, a number line with arrows on both ends ranges from 18 to 22 in increments of 1. There is 1 dot above 18, 2 dots above 19, 3 dots above 20, 2 dots above 21, and 1 dot above 22. For S U Vs, a number line with arrows on both ends ranges from 21 to 25 in increments of 1. There is 1 dot above 21, 1 dot above 22, 2 dots above 23, 2 dots above 24, and 3 dots above 25.

The dot plots show the gas mileage for randomly selected cars and SUVs. Which data values do both distributions have in common?

(1 point)
The data value in common for both distributions with the lowest number is
.

The data value in common for both distributions for the highest number is
.

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Answer 1

To determine the data values that both distributions have in common, we will analyze the range of gas mileage values for both the "Cars" and "SUVs" dot plots.

For Cars:

• The range is from 18 to 22.
• Values: 18, 19, 20, 21, 22

For SUVs:

• The range is from 21 to 25.
• Values: 21, 22, 23, 24, 25

Common values:

• The lowest value in common is 21.
• The highest value in common is 22.

Therefore, the answers to your questions are:

• The data value in common for both distributions with the lowest number is 21.
• The data value in common for both distributions for the highest number is 22.