Statistics Quiz Study Guide

What is the range of the dot plot?

• 9
• 5
• 4
• 6

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

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

_______ is a part of a group being surveyed.

• Sample
• Population
• Random Sample
• Quartile

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

What is the mean of the following list of numbers?

9, 9, 14, 7, 12, 8, 11, 19, 15, 11

• 9

• 10

• 11.5

• 12.5

Tags

CCSS.6.SP.B.5C

What is the median of the following list of numbers?

9, 9, 14, 7, 12, 8, 11, 19, 15, 11

• 9

• 11

• 10

• 12

Tags

CCSS.6.SP.B.5C

What percent of the data is between 25 and 30 on the number line?

• 25%
• `50%
• 75%
• 100%

Tags

CCSS.HSF.IF.B.4

According to a random telephone survey, 85% of all working adults in the U.S. are satisfied with their current job. If I asked 500 adults, how many do you predict would be satisfied with their current job?

• 85 adults
• 340 adults
• 500 adults
• 425 adults

Tags

CCSS.7.SP.C.6

According to a random telephone survey of 200 adults, 75% of all working adults in the U.S. are satisfied with their current job. What is the population in this survey?

• 200 adults
• adults in the U.S.
• 75% of adults

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Biased or Random?

John wants to find out what the favorite soda flavor is at Menifee County. He decides to ask all the students in Mr. Goldsmith's class as a sample group.

• Biased

• Random

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Find the mean:

90, 100, 95, 85, 60, 80

• 85

• 84

• 86

• 90

Tags

CCSS.6.SP.B.5C