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Grade 7 McGraw Hill Glencoe - Answer Keys
Chapter 10: Statistics; Lesson 1: Make Predictions
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Guided Practice
The table shows the results of a survey of Hamilton Middle School seventh graders. Use the table to find the following probabilities.
Question 4
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Predict how many students out of 400 will enter the education field.
Question 5
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Predict how many students out of 500 will enter the medical field.
Question 6
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Use the circle graph that shows the results of a poll to which 60,000 teens responded. Predict how many of the approximately 28 million teens in the United States would buy a music CD if they were given $20.
Question 7
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Building on the Essential Question When can statistics be used to gain information about a population from a sample?
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