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Key Quiz 3.3
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1
Which of the following is an example of discrete data?
A)Number of goals scored per game by your hockey team.
B)Total time (in minutes) you spent on the ice for each game of the season.
C)Goals-against average for every goalie in your hockey league.
D)Win/loss percentage for each team in your hockey league.
2
Which of the following is an example of continuous data?
A)Number of phone calls received at your house per night.
B)Days each week you watch TV.
C)Number of websites you access per day.
D)Temperature at dawn in your room every day for six months.
3
Which type of graph is most likely to be used to display continuous data?
A)Pie graph.
B)Bar graph.
C)Histogram.
D)None of the above.
4
Which type of graph is most likely to be used to display categorical data?
A)Line graph.
B)Histogram.
C)Pie graph.
D)None of the above.
5
Gretchen wanted to analyze trends in sales at her boutique over the last six months. She used the following graph to display the data:
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What, if anything, is ineffective about her presentation?
A)Pie graphs should not be used to graph continuous data like sales.
B)Pie graphs do not display trends over time effectively; a line graph would have been a better choice.
C)Pie graphs cannot effectively be used for primary data; stem-and-leaf plots are much more effective.
D)Nothing is ineffective; the graph is fine as it is.





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