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1.2 Measures of Centtal Tendency

Last updated about 5 years ago

8 questions

Note from the author:

1.2 Measures of Central Tendency

Watch the video above to learn about mean, median and mode.

Mrs. Hansen wanted to compare the amount of money she spent at the grocery store for the first  9 weeks and the second 9 weeks of the year . Using the information below, answer each question. Round all answers to the nearest tenth.

1st  9 weeks : 92, 85, 43, 100, 65, 78, 88, 92, 75
2nd 9 weeks : 86, 63, 95, 75, 92, 81, 87, 86, 95

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What is the mean for 1st 9 weeks?

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What is the mean for 2nd 9 weeks?

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Which had the greater median?

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What is the range of scores in 2nd 9 weeks?

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What is the range of scores in 1st 9 weeks?

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What is the mode(s) for 1st 9 weeks?

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What is the mode(s) for 2nd 9 weeks?

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Which class has the greater mean?