Intro to Statistics

What do you do if there are two numbers in "the middle" when you are finding the median?

• Pick your favorite number
• Add the two numbers in the middle & then divide by two.
• They are both the median
• None of the above

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CCSS.6.SP.B.5

What is the median?

• The number in the middle.
• The greatest number - the least number
• The average
• The number that appears most often.

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CCSS.6.SP.B.5C

To find the average of a set of numbers, add up all the items and divide by...

• 2.
• The smallest number
• The largest number
• The number of items in the set.

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CCSS.6.SP.B.5C

Dr. Dre is a dentist. He needs to report on the average number of cavities that his patients have.
1, 0, 1, 5, 0, 3, 4.  What is the average number of cavities?

• 14
• 2
• 7
• 1

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CCSS.6.SP.A.1

CCSS.6.SP.A.2

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CCSS.6.SP.B.5

Which number is not the mean, median or range of the data set 4, 3, 15, 11, 3, 8, 7, 5?

• 6

• 11

• 12

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CCSS.6.SP.A.3

CCSS.6.SP.B.5

If you score 76, 85, 97, and 82 on your math tests, what would your average score be? 

• 82
• 90
• 85
• 88

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CCSS.6.SP.A.3

CCSS.6.SP.B.5

What is the MODE of this data?

• 100
• 20
• 80, 85, and 90
• none

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CCSS.6.SP.A.2

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CCSS.6.SP.B.5

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

• 99 was the highest score on the test.
• More students received a 94 than any other score
• No student scored below a 50
• A score of 91 was slightly below average.

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CCSS.6.SP.A.3

CCSS.6.SP.B.5

If 70% of all people prefer to watch football over any other sport, how many people would you predict would prefer football out of 200 people?

• 70 people
• 100 people
• 140 people
• 170 people

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CCSS.6.RP.A.2

CCSS.6.RP.A.3

Out of 225 cat owners, predict how many owners trained their cat to not climb on furniture.

• About 100 people
• About 110 people
• About 120 people
• About 130 people

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CCSS.6.SP.A.1

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5