Chapter 12: Q12. (page 737)
Find each product.
Short Answer
The product is .
Chapter 12: Q12. (page 737)
Find each product.
The product is .
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Get started for freeFind the mean absolute deviation to the nearest tenth.
Luci is keeping track of the number of candy bars each member of the drill team sold.
20, 25, 30, 50, 40, 60, 20, 10, 42
Choose the word or term that best completes the sentence.
The arrangement in which order is important is called a (combination, permutation).
Solve each equation. State any extraneous solutions.
To predict whether or not an issue on a ballot will pass or fail, a committee randomly calls 250 houses with area codes that are inside the voting district and asks the opinions of registered voters. Based on these efforts, the committee determines that of the voting population supports the issue. The committee concludes that the issue will pass.
a. Identify the sample.
b. Describe the population.
c. What method of data collection did the committee use: survey, experiment, or observational survey? Explain.
d. Is the sample biased or unbiased. Explain.
e. If unbiased, classify the same as simple, stratified, or systematic. Explain.
The homecoming dance committee is trying to decide on a theme. They send out a questionnaire to all of the girls in the school. Identify the sample and suggest a population from which it was selected. Then, classify the type of data collection used.
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