Review Of Statistics Topics

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

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Which scenario would produce the least biased results?

• asking athletes at a gym what their favorite television show is
• asking shoppers at a store where their favorite place to shop is
• asking fans at a baseball game who their favorite baseball team is
• asking students in a college library what their favorite college sports team is

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

What does "mean" mean?

• average
• middle
• repeats the most
• variation

Tags

CCSS.6.SP.B.5

CCSS.6.SP.A.3

CCSS.6.SP.A.2

What does "mode" mean?

• average
• middle
• repeats the most
• variation

Tags

CCSS.6.SP.B.5

CCSS.6.SP.A.3

What is a the meaning for "median"?

• fair share
• middle
• repeats the most
• variation

Tags

CCSS.6.SP.B.5

CCSS.6.SP.A.3

What is the median?

• 62
• 58
• 66
• 60

Tags

CCSS.6.SP.B.5C

How many employees are there that make between $33,000 and $43,000

• 250
• 500
• 550
• 750

Tags

CCSS.HSF.LE.B.5

A teacher asked 20 students how many books they read last summer. The dot plot displays the data. What is the greatest number of books a student read?

• 1
• 6
• 9
• 10

Tags

CCSS.2.MD.D.9

Find the mean of these numbers:
5,11,2,12,4,2

• 4.1
• 6
• 4.5
• 4

Tags

CCSS.6.SP.B.5

CCSS.6.SP.A.3

What is the standard deviation for the data given:
5, 10, 7, 12, 0, 20, 15, 22, 8, 2

• 6.89
• 101
• 7.26
• 6.72