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Quiz 3 (Prequiz) - Measures of Spread

# Quiz 3 (Prequiz) - Measures of Spread - Introduction to...

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Introduction to Statistics PreQuiz #3 Objectives: Youi will be able to describe data using measures of variation such as the range, variance, and standard deviation Name___________________________________ Date __________________ SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. Find the range for the given data. 1) A class of sixth grade students kept accurate records on the amount of time they spent playing video games during a one - week period. The times (in hours) are listed below. Find the range. 22.9 13.6 9.4 19.7 25.0 30.3 26.3 15.5 22.5 19.6 1) 2) Fred, a local mechanic, gathered the following data regarding the price, in dollars, of an oil and filter change at twelve competing service stations. Find the range. 32.95 24.95 26.95 28.95 18.95 28.95 30.95 22.95 24.95 26.95 29.95 28.95 2) 3) Each year advertisers spend billions of dollars purchasing commercial time on network sports television. In the first 6 months of 1988, advertisers spent \$1.1 billion. Who were the largest spenders? In a recent article, listed the top 10 leading spenders (in million of dollars): Company A \$71.2 Company F \$27.8 Company B 60.3

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Quiz 3 (Prequiz) - Measures of Spread - Introduction to...

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