Chapter 02 Describing Data: Frequency Tables, Frequency Distributions, and Graphic Presentation
108. Refer
to the following breakdown of responses to a survey of room cleanliness in a
hotel.
What is the class interval for the frequency table above?
109. Refer
to the following breakdown of responses to a survey of room cleanliness in a
hotel.
What is the class with the greatest frequency?
110. Refer
to the following breakdown of responses to a survey of room cleanliness in a
hotel.
What percent of the responses indicated that customers were satisfied?
111. Refer
to the following breakdown of responses to a survey of room cleanliness in a
hotel.
Draw a bar graph that illustrates the frequency table above.
112. Refer
to the following breakdown of responses to a survey of room cleanliness in a
hotel.
Draw a bar graph that illustrates the relative frequencies.
113. Refer
to the following breakdown of responses to a survey of room cleanliness in a
hotel.
Draw a pie chart that illustrates the relative frequencies.
114. A data set consists of 40 observations. For a quantitative variable, how many classes would you recommend for the frequency distribution? _______
115. A data set has 100 observations. In the data, a quantitative variable's highest value is 117 and its lowest value is 47. What is the minimum class interval that you would recommend? _____________
116. A data set has 200 observations. In the data, a quantitative variable's highest value is 1080 and its lowest value is 960. What is the minimum class interval that you would recommend? _____________
117. A data set has 200 observations. In the data, a qualitative variable's highest value is "extremely satisfied" and its lowest value is "extremely dissatisfied". What is the minimum class interval that you would recommend? _____________
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Solution: Chapter 02 Describing Data: Frequency Tables, Frequency Distributions, and Graphic Presentation
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