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5 questions
Mrs. Hopkins asked 28 students to measure their pencils to the nearest centimeter. The results are displayed in the box plot. Mrs. Hopkins then instructed each student to subtract 5 cm from his or her measurement. Which statement below is true about a new plot with the altered data?
The range will decrease by 5 units.
The median will be less than 2.
The interquartile range will be 5 times smaller.
The plot will be translated 5 units to the left.
Mrs. Hopkins asked 28 students to measure their pencils to the nearest centimeter. The results are displayed in the box plot. Mrs. Hopkins then instructed each student to add 4 cm to his or her measurement. Which statement below is true about a new plot with the altered data?
The range will increase by 4 units.
The median will be greater than 11.
The interquartile range will be 4 times larger.
The plot will be translated 4 units to the right.
A movie theater kept attendance on Fridays and Saturdays. The results are shown in the box plots. Which conclusion can be drawn from the box plots?
The attendance on Friday and the attendance on Saturday have the same median and interquartile range.
The attendance on Friday has a greater median and a greater interquartile range than attendance on Saturday.
The attendance on Friday has a greater interquartile range than attendance on Saturday, but both data sets have the same median.
The attendance on Saturday has a median that is less than attendance on Friday, but both data sets have the same interquartile range.
The box-and-whisker plots show the speed, in miles per hour, for each of 10 fish and 10 mammals. Carlos wants to predict the speeds of one additional fish and one additional mammal. He notices that the box-and-whisker plots show that about 75% of the fish were faster than 40 mph and that about 75% of the mammals were slower than 50 mph.
Based upon this information, which prediction about the speeds of the additional fish and the additional mammal is justified?
The speed of the fish will be less than 40 mph, and the speed of the mammal will be greater than 50 mph.
The speed of the fish will be less than 40 mph, and the speed of the mammal will be less than 50 mph.
The speed of the fish will be greater than 40 mph, and the speed of the mammal will be greater than 50 mph.
The speed of the fish will be greater than 40 mph, and the speed of the mammal will be less than 50 mph.
Which of the following is not the same for both sets of data?
Mean
Median
Mode
Range
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