Statistics Study Guide 24/25

At a middle school, the 7th graders will conduct a survey for where to go on a field trip. Which method will result in the least biased decision?

• to randomly ask 8th grade students who went on a field trip last year
• to randomly choose some 7th grade students to select a location
• to ask all 7th grade teachers and administrators for a location
• to ask the student council to choose a location

_______ is a part of a group being surveyed.

• Sample
• Population
• Random Sample
• Quartile

If a cat eats 4 pounds of food in 5 days, how, how many pounds will it eat in 60 days?

• 50
• 48
• 12
• 72

Tags

CCSS.6.RP.A.3B

There was a survey that was conducted to see how many people like to play board games. The total amount of people who completed the survey is unknown. The statistics from the survey show 5 in every 13 people agree. If there are 260 people surveyed, how many would agree?

• 5 people

• 100 people

• 182 people

• 10 people

Tags

CCSS.7.RP.A.3

Which box and whisker plot has the highest median?

• Top plot
• Bottom plot

What is the difference between the medians for the two data sets? 

• 0 tickets
• 2 tickets
• 4 tickets
• 6 tickets

The dot plots show the number of miles Nina and Mark walked during a few days in April.

The range of the number of miles Nina traveled ____________ the range of the number of miles Mark traveled.

• greater than

• less than

• equal to

The dot plots show the number of hours two students watched television in the month of June.

Which statement is best supported by the data in the dot plots?

• The median number of hours Leslie watched television is equal to the median number of hours Dixie watched television.

• The mode number of hours Dixie watched television is greater than the mode number of hours Leslie watched television.

• Dixie had a greater range in the number of hours she watched television than Leslie.

• The least number of hours Leslie watched television is equal to the least number of hours Dixie watch television.

The dot plots show the number of miles Ben and Barbara ran in the month of February.

Which statement is best supported by the information in the dot plots?

• The mode of the number of miles ran by Barbara is greater than the mode number of miles ran by Ben.

• The least number of miles ran by Ben is greater than the least number of miles ran by Barbara

• The range of the number of miles ran by Barbara is greater than the range of he number of the miles ran by Ben

• The distribution of the data is approximately symmetical in both sets of data.

Which has a larger IQR?

• Zach
• Steven
• They have the same IQR