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- 1. Multiple Choice
Which data are represented by the stem-and-leaf plot?7, 8, 9, 7, 8, 9, 8, 975, 85, 95, 76, 86, 96, 87, 9757, 58, 59, 67, 68, 69, 78, 7957, 58, 59, 76, 86, 96, 87, 97 - 2. Multiple ChoiceWhich is the correct box-and-whisker plot for the data set?
7, 13, 9, 15, 11, 7, 11Box Plot 1Box Plot 2Box Plot 3Box Plot 4 - 3. Multiple ChoiceThe number of people per household for a street with 15 houses is shown.
What statement best describes the shape of the distribution of the data set?Skewed rightSkewed leftSymmetricHas two peaks - 4. Multiple ChoiceHector surveyed all the sixth graders at his school about their favorite after-school activity.
The table shows the results that were used to make a bar graph.
Which percentage bar graph best represents the data?Option AOption BOption COption D - 5. Multiple ChoiceA traffic engineer is collecting counts of how many cars are on one street during a specific time each day. The results are shown in the histogram. How many days did the traffic engineer collect data?133874The number of days cannot be determined.
- 6. Multiple ChoiceFind the mean, median, mode(s), and range of the data.
6, 22, 14, 12, 20, 19, 14, 11mean: 16
median: 15
mode: 14
range: 11mean: 16
median: 16
mode: 14
range: 5mean: 16
median: 14
mode:15
range: 11mean: 16
median: 16
mode: 14
range: 11 - 7. Multiple ChoiceWhich data are represented by the stem-and-leaf plot below?42, 72, 92, 33, 73, 103, 25, 35, 55123, 126, 128, 130, 132, 136, 151, 154123, 126, 128, 132, 136, 139, 151, 152, 15430, 60, 80, 20, 60, 90, 10, 20, 10, 40
- 8. Multiple ChoiceKendra asked her friends how many pets they each had in their family. Her results are shown below.
4, 2, 1, 1, 0, 2, 7, 3, 1, 0, 0
Which is a histogram of the data?Option AOption BOption COption D - 9. Multiple ChoiceThere was a berry-picking contest at the Earth Day celebration this year. The line plot below shows the number of pints of berries collected by people participating in the contest. What is the range of the numbers displayed on the line plot?7546
- 10. Multiple ChoiceThe dept of snow at seven different mountain lodges is 18 inches, 20 inches, 26 inches, 22 inches, 85 inches, 18 inches, and 24 inches.
a. Find the mean, median and mode.
b. Which measure is the most useful for predicting how deep the snow will be at an 8th lodge?a. mean: 30.4 in.
median: 22 in.
mode: 18 in.
b. The median is the most useful.a. mean: 22 in.
median: 30.4 in.
mode: 18 in.
b. The median is the most useful.a. mean: 22 in.
median: 30.4 in.
mode: 18 in.
b. The mean is the most useful.a. mean: 30.4 in.
median: 22 in.
mode: 18 in.
b. The mean is the most useful. - 11. Multiple ChoiceArletta and Keenan each plan to spend at least 20 minutes per day working out. The dot plots show the number of minutes per day each worked out for the first few weeks.Which of the statements about the two data sets is true?The data sets have the same median.The data sets have the same mean absolute deviation.The data sets have the same interquartile range.The data have the same mode.
- 12. Multiple ChoiceWhat is the interquartile range?4628
- 13. Multiple Choice
Which statement correctly describes the two data sets above?
The minimum number of minutes spent getting ready in eight-grade is greater than the minimum number of minutes spent getting ready in seventh-grade.
The median of the seventh-grade students is greater than the median of the eighth grade students.
The range of both data sets is 40.
On average, seventh-grade students spend more time getting ready that eighth-grade students.
- 14. Multiple Choice
Which statement about the data of your class and your friend's class is true?
The range of data in your class is greater than the range of the data in your friend's class.
The highest score in your class is equal to the highest score in your friends class.
The medians are the same for both classes.
The IQR of your class is greater than the IQR of your friends class.
- 15. Multiple Choice
Describe the shape of the graph
Right Skewed
Symmetric
Bimodal
Left Skewed
- 16. Multiple ChoiceA florist records the amount of money he spent on gasoline each week to deliver orders. The list shows the data for 16 weeks.
32, 38, 40, 44, 44, 46, 49, 53, 55, 58, 62, 65, 68, 70, 72, 81
He put the data in a stem-and-leaf plot. What number did he leave out of the stem-and-leaf plot?
32446581 - 17. Multiple ChoiceWhat is the relative frequency (to the nearest percent) of boys among those who cannot bike to school?4%14%13%29%
- 18. Multiple ChoiceWhich percent bar graph best represents the data from your table?abcd
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