Pre-Algebra - Unit 4 Using Graphs to Analyze Data Alternate
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1. Twenty people were surveyed about their birthdays. Some of the data was lost from the graph. How many of these people have birthdays on the weekend? *
1 point
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5 people
4 people
6 people
not enough information
2. Which set of data is represented by the box-and-whisker plot? *
1 point
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35, 30, 16, 29, 40, 34, 22
35, 28, 16, 29, 38, 34, 22
35, 30, 16, 29, 38, 34, 22
35, 30, 16, 21, 38, 34, 22
3. The students' scores on a math test are shown in the frequency table. How many students scored below 20? *
1 point
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0 students
6 students
13 students
10 students
4. Find the range of the data. *
1 point
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78
30
84
40
5. Describe the trend in the scatter plot below. *
1 point
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positive trend
negative trend
no trend
positive and negative trend
6. At a middle school gymnastics competition, the scores for the floor exercises were 5.1, 5.6, 5.3, 5.1, 4.8, 4.6, and 5.2. Find the mean (to the nearest tenth) and the median. *
1 point
5.1 and 5.3
5.2 and 5.1
5.1 and 5.1
5.2 and 5.2
7. *
1 point
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A
B
C
D
8. The data below show the average lengths, to the nearest quarter inch, of some species of beetles. Which type of graph is most appropriate to represent the data?0.5 1.5 3.25 2.5 1.25 3.0 6.0 2.75 2.0 0.25 1.5 1.0 0.5 1.0 1.5 0.75 0.25 1.75 1.25 0.25 0.75 0.25 *
1 point
Line graph
Bar graph
Circle graph
Box-and-whisker plot