Box Plots — Unit test Answers

The students in Mr. McIntyre’s class and in Mrs. Ramos’s class were asked how many pets they each have. The dot plots below show the results.Mr. McIntyre’s ClassMrs. Ramos’s ClassWhich statement correctly compares the measures of center of the data in the dot plots?

The dot plot shows how Mr. Ruda’s class scored on a 5-point math quiz. Mr. Ruda described the data as having a spread from 0 to 5, a center of 3, two clusters, and a peak at 5. Where did Mr. Ruda make an error?Scores on the Math Quiz

A set of data has the values 34, 40, 42, 48, and 70. If the outlier of 70 is removed, what is the mean absolute deviation of the remaining four values?

Sydney’s teacher says she may have her report card percentage based on either the mean or the median and she can drop one test score if she chooses. 94%, 84%, 100%, 68%Which measure of center should Sydney choose so she can have the highest percentage possible?

Ten people reported the number of hours they worked last week.17, 42, 40, 35, 24, 20, 30, 32, 25, 38What is the median, lower quartile, upper quartile, and interquartile range of this set of data?

What is the median of this set of data? 100, 102, 103, 106, 109

The data set represents the number of minutes Dan spent on his homework each night.30, 35, 35, 45, 46, 46, 52, 55, 57Which box plot correctly represents the data?

Sydney’s teacher says she may have her report card percentage based on either the mean or the median and she can drop one test score if she chooses. 94%, 84%, 100%, 68%Which measure of center should Sydney choose so she can have the highest percentage possible?

Lydia collected two sets of data.Set 1Set 217811380189451782195One set of data shows an outlier. Which set has an outlier, and which number is the outlier?

A group of seventh graders and a group of teachers at a local middle school were asked how many siblings they each have. The dot plots below show the results.StudentsTeachersWhen comparing the shape of the two sets of data, what conclusion can someone draw?

The number of boxes of food that six volunteers collected for the food drive is given in the table below.Number of Boxes323520162813What is the mean absolute deviation? Round to the nearest tenth.

The box plot represents the number of math problems on the quizzes for an algebra course.What is the range of the data?

Jacob has golf scores of 120, 112, 130, 128, and 124. He wants to have an average golf score of 118. What is the first step in determining what Jacob needs to score in his next golf game?

Which is a statistical question that you can ask to learn about your classmates’ favorite movie?