11.1-11.2 Quiz Day

There are 500 students in Andrew's school. Andrew wants to survey a sample of students to determine the most popular school subject. Which sampling method is the best to use to predict the most popular school subject?

• randomly select 50 students from the student list of 500

• randomly select 10 students having lunch in the cafeteria

• select the first 50 girls entering the auditorium for an assembly

• select the first 25 students leaving the building after school

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Andre wants to survey a random sample of the student body in his school to find out which day after school would work best for students to do volunteer work for a local charity. Which sample would best represent the student body?

• asking twenty students waiting in line for lunch

• asking twenty students on their way to the bus after school

• asking one person from the seventh grade daily for twenty days

• asking one person each from twenty different classrooms during the first class period

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

A reporter for a teen magazine surveys teenagers leaving Hot Shots clothing store to determine which brand of clothing teens like best. Which statement best explains why the results of this survey may not be valid?

• The survey should have been conducted online.

• The group surveyed consisted only of teenagers.

• The survey was conducted by a reporter from only one magazine.

• The group surveyed consisted only of teenagers who shopped at the same store.

Tags

CCSS.RL.11-12.6

The box plots show the test scores of students at the beginning and end of the semester for Mrs. Brown’s 7th grade science class. The same group of students took both tests. Use the data given to answer the questions below:

Which set of data has the lowest median test score? Justify your answer.

• Beginning because 55 is less than 75

• End because 55 is less than 75

• Beginning because 55 is greater than 75

• End because 55 is greater than 75

Tags

CCSS.7.SP.B.4

The box plots show the test scores of students at the beginning and end of the semester for Mrs. Brown’s 7th grade science class. The same group of students took both tests. Use the data given to answer the questions below:

Which set of data has a lesser range of scores? Justify your answer.

• Beginning because 48 is less than 70

• End because 48 is less than 70

• Beginning because 48 is greater than 70

• End because 48 is greater than 70

The box plots show the test scores of students at the beginning and end of the semester for Mrs. Brown’s 7th grade science class. The same group of students took both tests. Use the data given to answer the questions below:

What is the interquartile range of the test at the beginning of the semester?

• 48

• 70

• 25

• 15

Tags

CCSS.6.SP.B.5C

The box plots show the test scores of students at the beginning and end of the semester for Mrs. Brown’s 7th grade science class. The same group of students took both tests. Use the data given to answer the questions below:

What is the interquartile range of the test at the end of the semester?

• 48

• 70

• 25

• 15

Tags

CCSS.6.SP.B.5C

The box plots show the test scores of students at the beginning and end of the semester for Mrs. Brown’s 7th grade science class. The same group of students took both tests. Use the data given to answer the questions below:

What is the minimum score for the test at the beginning of the semester?

• 30

• 52

• 100

• 45

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1