Lesson 1.6 Measures of Center

A data set can have more than one median?

• True
• False

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The middle value in a data set when the numbers are listed in order is referred to as the ________.

• mean

• median

• mode

• center

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What is the mean?

• The number that occurs the most
• The number in the middle
• The difference between the highest and lowest values
• The Average

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When finding the median what is the FIRST step?

• Mark off the lowest number
• Mark off the highest number
• Find the Middle
• Arrange the number from Least to Greatest

The graph shows the data from an experiment. Based on the shape of the distribution, what measure of center should be used?

• Mean

• Median

• Neither

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The graph represents the rainfall in a city. The distribution of the data is what?

• Skewed to the right

• Roughly Symmetric

• Normal

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Which is the best measure of center for the graph?

• Mean and median

• Mean only

• Median only

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Which is the best measure of center for the graph?

• Mean

• Mean only

• Median only

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How is the Mean related to the Median in the dotplot?

• Mean = Median

• Mean > Median

• Median < Median

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When finding the median, what do you do if there are two middle numbers?

• Add them together and divide by 2
• Write them both as the answer
• Give up
• Pick one

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