Optional Quiz Review: Statistics
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Last updated over 4 years ago
14 questions
1
The fourth period classes in the eighth grade wing have the following numbers of students in the classrooms: 22, 26, 28, 21, 22, 23, 22, and 26. What is the mode?
[Show your work in the space provided.]
The fourth period classes in the eighth grade wing have the following numbers of students in the classrooms: 22, 26, 28, 21, 22, 23, 22, and 26. What is the mode?
[Show your work in the space provided.]
1
The box-and-whisker plot below represents students' scores on a recent English test.
What is the value of the upper quartile?
The box-and-whisker plot below represents students' scores on a recent English test.
What is the value of the upper quartile?
1
Julia has a job babysitting children on Saturdays. The children's ages are 2, 6, 8, 3, 2, 4, 3, 4, and 3. What is the median age?
[Show your work in the space provided.]
Julia has a job babysitting children on Saturdays. The children's ages are 2, 6, 8, 3, 2, 4, 3, 4, and 3. What is the median age?
[Show your work in the space provided.]
1
What is the interquartile range of the data represented in the box plot shown?
[Show your work in the space provided.]
What is the interquartile range of the data represented in the box plot shown?
[Show your work in the space provided.]
1
During lunch, students were comparing how far their bus rides are to school each day. The distances, in miles, were: 8, 3, 6, 4, 6, 5, 6, 7, 2, 4, 6, and 8. Which of the following statements is true?
[Show your work in the space provided.]
During lunch, students were comparing how far their bus rides are to school each day. The distances, in miles, were: 8, 3, 6, 4, 6, 5, 6, 7, 2, 4, 6, and 8. Which of the following statements is true?
[Show your work in the space provided.]
1
What is the mean of the following test grades in Mrs. Lewis's Spanish class: 90, 83, 82, 95, 96, 67, 88, 91, 82, 86 ?
[Show your work in the space provided.]
What is the mean of the following test grades in Mrs. Lewis's Spanish class: 90, 83, 82, 95, 96, 67, 88, 91, 82, 86 ?
[Show your work in the space provided.]
1
Abelina has been saving for 6 weeks. During that time, she saved $122, $138, $130, $98, $102, and $124. What is the range?
[Show your work in the space provided.]
Abelina has been saving for 6 weeks. During that time, she saved $122, $138, $130, $98, $102, and $124. What is the range?
[Show your work in the space provided.]
1
This box plot represents the ages of 12 people at the Red Rooster. What percent of these people are age 15 or older?
This box plot represents the ages of 12 people at the Red Rooster. What percent of these people are age 15 or older?
1
During the girls' lacrosse season, the league leaders in goals scored were: 24, 19, 13, 21, 19, 19, 27. What was the mode?
[Space is provided for optional work.]
During the girls' lacrosse season, the league leaders in goals scored were: 24, 19, 13, 21, 19, 19, 27. What was the mode?
[Space is provided for optional work.]
1
A local band performed at concerts on six Friday nights. The attendance varied with the following numbers of people attending: 40, 56, 60, 70, 56, 60 . What was the median?
[Show your work in the space provided.]
A local band performed at concerts on six Friday nights. The attendance varied with the following numbers of people attending: 40, 56, 60, 70, 56, 60 . What was the median?
[Show your work in the space provided.]
1
Ryan had a birthday party where he and his friends competed for the highest score in a video game. Here were their scores:
What was the median score?
[Show your work in the space provided.]
Ryan had a birthday party where he and his friends competed for the highest score in a video game. Here were their scores:
What was the median score?
[Show your work in the space provided.]
1
The Weather Channel app on Stephany's phone showed the temperatures from the last 3 weeks in Baltimore. They are listed in the table below. Stephany is thinking of visiting Baltimore and wants to know the mean temperature. What answer should she get?
[Show your work in the space provided.]
The Weather Channel app on Stephany's phone showed the temperatures from the last 3 weeks in Baltimore. They are listed in the table below. Stephany is thinking of visiting Baltimore and wants to know the mean temperature. What answer should she get?
[Show your work in the space provided.]
1
At a pet store, a survey was taken asking how many pets each person had.The results were: 2, 5, 3, 1, 0, 4, 2, 7, 0, 2, 7, 3 .What was the mode of the number of pets?
[Space is provided for optional work.]
At a pet store, a survey was taken asking how many pets each person had.
The results were: 2, 5, 3, 1, 0, 4, 2, 7, 0, 2, 7, 3 .
What was the mode of the number of pets?
[Space is provided for optional work.]
1
Based on this box plot, which statement is false?
Based on this box plot, which statement is false?