7th grade Statistics

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

What is the range of the dot plot?

• 9
• 5
• 4
• 6

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.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

How many more people 19 and under are in the French club than the Spanish club?

• 1
• 3
• 2
• 4

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.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

Find the Mean Absolute Deviation:  5, 11, 2, 7, 16.  The Mean is 8.2 

• 3.2
• 2.8
• 1.2
• 4.2

Tags

CCSS.6.SP.B.5C

  Find the outlier of the set of data: 7, 8, 11, 7, 6, 15, 31, 11 

• 7
• 15
• 11
• 31

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

Biased or Random?

Reign wants to determine the most popular brand of cereal in all of Kentucky. So he polls all the houses on his street to get a sample.

• Biased

• Random

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1