8th Grade Statistics

Ana wants to know the average student’s opinion of the tardy policy at her school. Which group of students should she survey in order to achieve the most accurate results?

• thirty students who are often tardy
• thirty students who are rarely tardy
• thirty of her friends
• thirty randomly selected students from her school

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CCSS.HSS.IC.A.1

CCSS.7.SP.A.1

The entire pool; the total set of people/objects that can be studied

• population
• sample
• datum
• probability

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CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.4

Another word for average is

• sample 
• mean
• data
• numerical data

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CCSS.6.SP.B.5

CCSS.6.SP.A.3

What information can you get from this graph?

• Mean, Median, Mode, Range
• Mean, Median
• Median, 1st Quartile, 3rd Quartile, Range
• 1st Quartile, 3rd Quartile

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CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

What is the mode of the data?

• 1 book
• 9 books
• 3 books
• 0 books

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CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

What is the mean of test scores?
{70, 70, 80, 85, 85, 90, 95, 95, 100, 100}

• 87
• 85, 95, and 100
• 30
• 85 and 90

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CCSS.6.SP.B.5

CCSS.6.SP.A.3

The mode score on the 6th grade math test was 94! Which of these interpretations must be correct?

• 94 was the highest score on the test.
• More students received a 94 than any other score
• No student scored below a 94
• A score of 91 was slightly below average.

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CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

What was the highest score on the math test?

• 53
• 79
• 97
• 90

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CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

In the last 5 games, Kevin Durant scored 22, 22, 18, 12, and 21 points. What is Durant's Mean (Average) score per game?

•  19 points per game
• 95 points per game
• 18.6 points per game
• 22 points per game

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CCSS.6.SP.B.5

CCSS.6.SP.A.3

CCSS.6.NS.B.3

The Table above shows the points scored by the JV basketball team in their first seven games. Calculate the mean, median, mode and range. Which statistical measure makes the team sound the best?

• Mean
• Median
• Mode
• Range

Tags

CCSS.6.SP.B.5

CCSS.6.SP.A.2

CCSS.6.SP.A.3