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Chapter 12: Q6. (page 797)
Evaluate each expression.
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Which measure of central tendency best represents the data? Justify your answer. Then find the measure.
Sophia keeps track of the ages of students in her class. She wants to best represent the ages of her classmates: 13, 14, 13, 13, 14, 13, 13, 15, 14, 13, 14, 14, 10.
The results of a simulation of coin flipping are shown.
Outcome | Frequency |
heads | 25 |
tails | 75 |
What is the experimental probability of tails?
Which measure of central tendency best represents the data? Justify your answer. Then find the measure.
The cafeteria wants to show the best representation of how much students spend on lunch: 2, 3, 4, 3, 2, 4, 1, 3, 4, 2, 3, 3, 4, 3.
Evaluate the expression.
Find the mean absolute deviation to the nearest tenth.
A fast food company polled a random sample of its customers to find how many times a month they eat out: 10, 3, 12, 15, 7, 8, 4, 12, 9, 14, 12. Find the mean absolute deviation of the data set to the nearest tenth.
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