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Chapter 12: Q23. (page 795)
Evaluate the expression.
The value of the expression is 120.
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SALES Nate is keeping track of how much people spent at the school bookstore in one day. Find the mean absolute deviation for the data to the nearest tenth:
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.
the highest point in North Carolina is Mt. Mitchell at an elevation of 2,037 meters above sea level. Suppose the position of a hiker is given by the function , where is the number of minutes. Which of the following is the best interpretation of the slope of the function?
The hiker鈥檚 initial position was 2307 feet below sea level.
The hiker鈥檚 initial position was 2037 feet above sea level.
The hiker is descending at a rate of meters per minute.
The hiker is ascending at a rate of meters per minute.
Evaluate each expression.
Identify each sample, and suggest a population from which it was selected. Then classify the sample as simple, stratified, or systematic. Explain your reasoning.
The service manager at a car dealership inspects every fifth car to make sure cars are detailed after being serviced.
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