Measures of Central Tendency

Mr. Jones recorded his students' grades in the frequency table shown. Find the median score for the set of data.

Tags

CCSS.6.SP.B.5C

The mean (average) weight of three dogs is 38 pounds. One of the dogs, Sparky weighs 46 pounds. The other two dogs, Eddie and Sandy, have the same weight. Find Eddie's weight.

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CCSS.6.SP.B.5C

During each marking period, there are five tests. If Michelle needs an 85 average to be on Honor Roll and her first four grades are 89, 92, 90, and 78, what is the lowest score she can earn on the last test to make Honor Roll?

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CCSS.6.SP.B.5C

The two sets of data below represent the points

scored by two different hockey teams over the

course of a season.

Rangers: 4, 8, 5, 12, 3, 9, 5, 2

Islanders: 5, 9, 11, 4, 6, 11, 2, 7

To the nearest tenth, how much larger is the Islanders mean than the Rangers mean?

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CCSS.4.MD.B.4

The profit at 5 schools that sold World’s Finest

Chocolate were $318.22, $440.79, $607.16,

$1090.38, and $4790.15. Decide whether the

mean or median is the best measure of central

tendency for this data to accurately show the typical

sales per school. Explain your choice.

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CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

A teacher asked his class of 20 students, "What is your age?". Their responses are shown in the line plot. Find the mean of the data.

Tags

CCSS.6.SP.B.5C

From January 3 to January 7, Buffalo recorded

the following daily high temperatures:

5°, 7°, 6°, 5°, and 7°.

Which statement about the temperatures is true?

• mean = median

• mean = mode

• median = mode

• mean < median

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

The prices of seven race cars sold last week are listed in the table shown. What is the mean value of these race cars in dollars? Would this be a good representation of the data?

Tags

CCSS.6.SP.B.5C

This year, John played in 10 baseball games. In these games he had hit the ball 2, 3, 0, 1, 3, 2, 4, 0, 2, and 3 times. In the first 10 games he plays next year, John wants to increase his average (mean) hits per game by 0.5. What is the total number of hits John needs over the first 10 games next year to achieve his goal?

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CCSS.7.NS.A.3

An amusement park has six roller coasters.

These six roller coasters have a length of 62 seconds,

68 seconds, 68 seconds, 63 seconds, 65 seconds, and

34 seconds. Find the median length of the rollercoasters

Tags

CCSS.6.SP.B.5C