Gr. 7- Data Analysis REVIEW

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Find the mean of this set of data: 7, 9, 11, 13

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Find the mode of this set of data: 15, 22, 22, 28, 28, 28, 32

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In the last 3 seasons, Jordan played 55, 63, and 56 games.
What is the mean number of games played?

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Calculate the mean of this set of data: 6, 15, 27, 9, 12, 3, 18, 24, 21

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Cecil’s practice times, in seconds, for the 400 m race were: 127, 124, 116, 127, 121
What was the mean time?

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This list gives the collar sizes, in centimetres, of shirts sold in a store:39, 37, 38, 38, 37, 40, 36, 39, 38, 39, 37, 38
What is the mode collar size?

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Find the mean and mode of this set of data: 16, 19, 7, 22, 19, 13, 23

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Here are the monthly savings, in dollars, that Mary saved for a year:
23, 26, 18, 38, 38, 38, 20, 20, 29, 31, 28, 27
Find the mean amount of money saved.

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Find the range of this set of data: 16, 20, 20, 28, 31, 32, 35, 39

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Find the median of this set of data: 5, 58, 15, 3, 59, 20, 11, 52, 5

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Ron was in charge of collecting contributions for the Food Bank.
He received $50, $21, $32, $11, and $48 from 5 co-workers.
Find the median of these contributions.

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Find the mean of this set of data: 7, 9, 11, 13

Find the mode of this set of data: 15, 22, 22, 28, 28, 28, 32

In the last 3 seasons, Jordan played 55, 63, and 56 games.
What is the mean number of games played?

Calculate the mean of this set of data: 6, 15, 27, 9, 12, 3, 18, 24, 21

Cecil’s practice times, in seconds, for the 400 m race were: 127, 124, 116, 127, 121
What was the mean time?

This list gives the collar sizes, in centimetres, of shirts sold in a store:39, 37, 38, 38, 37, 40, 36, 39, 38, 39, 37, 38
What is the mode collar size?

Find the mean and mode of this set of data: 16, 19, 7, 22, 19, 13, 23

Here are the monthly savings, in dollars, that Mary saved for a year:
23, 26, 18, 38, 38, 38, 20, 20, 29, 31, 28, 27
Find the mean amount of money saved.

Find the range of this set of data: 16, 20, 20, 28, 31, 32, 35, 39

Find the median of this set of data: 5, 58, 15, 3, 59, 20, 11, 52, 5

Ron was in charge of collecting contributions for the Food Bank.
He received $50, $21, $32, $11, and $48 from 5 co-workers.
Find the median of these contributions.

Which 2 data sets have a median of 24?

P: 24, 28, 17, 25, 20
Q: 18, 28, 26, 24, 25
R: 22, 29, 26, 24, 16
S: 17, 24, 23, 21, 29

A sample of 16 boxes of cereal is selected from the production line for quality check. The masses of the boxes, in grams, are:
304, 314, 313, 298, 293, 307, 298, 310, 307, 298, 317, 298, 317, 313, 317, 313
What is the median mass?

Find the median and the range of this set of data: 48, 54, 50, 37, 57, 54, 58, 42

The hourly wages, in dollars, of 10 students are: 11, 12, 10, 13, 8, 8, 7, 8, 11, 9
Find the median and the mode.

Identify the outlier in this set of data: 14, 15, 18, 13, 19, 3, 18

Bob’s scores on 4 history tests are: 65, 70, 62, 57
What is the mean score, rounded to the nearest whole number?

Terry’s times, in minutes, for his training runs were: 47, 48, 49, 51, 50, 50, 47, 52
Find Terry’s average run time.

Don receives these marks on 4 math tests: 75, 85, 83, 90
What mark must he get on the next math test to have a mean of 84 for 5 tests?

Find the mean, median, mode, and range of this set of temperature data.
Temperature (°C): 1, 1, 2, 3, 5, 8, 16, 23

Jay was absent for a math test. The test scores of his classmates were: 81, 90, 72, 95, 77, 50, 74, 83, 62, 86, 82, 55, 50, 52
Jay took a makeup test. What was Jay’s score if the class mean was 71?

A game involves spinning this spinner.

What is the probability of the pointer landing on R?

A pencil case contains 2 red felt pens, 3 white felt pens, and 7 blue felt pens.
You pick a pen without looking. Find the probability of picking a white pen.

A die labelled 1 to 6 is rolled. Find the probability of rolling a number greater than 2.

The pointer on this spinner is spun once. What is the probability that the pointer will land on an even number in the unshaded area?

Twenty cards are numbered from 1 to 20. One card is drawn without looking. What is the probability that the number on the card is divisible by 7?
Express the probability as a percent.

Use a tree diagram to find how many ways you can arrange the letters in STEM.

A coin is tossed and a die labelled 1 to 6 is rolled.
What is the probability of the event “a head on the coin and a 5 on the die?”

Gr. 7- Data Analysis REVIEW

Find the mean of this set of data: 7, 9, 11, 13

Find the mode of this set of data: 15, 22, 22, 28, 28, 28, 32

In the last 3 seasons, Jordan played 55, 63, and 56 games.What is the mean number of games played?

Calculate the mean of this set of data: 6, 15, 27, 9, 12, 3, 18, 24, 21

Cecil’s practice times, in seconds, for the 400 m race were: 127, 124, 116, 127, 121What was the mean time?

This list gives the collar sizes, in centimetres, of shirts sold in a store:39, 37, 38, 38, 37, 40, 36, 39, 38, 39, 37, 38What is the mode collar size?

Find the mean and mode of this set of data: 16, 19, 7, 22, 19, 13, 23

Here are the monthly savings, in dollars, that Mary saved for a year:23, 26, 18, 38, 38, 38, 20, 20, 29, 31, 28, 27Find the mean amount of money saved.

Find the range of this set of data: 16, 20, 20, 28, 31, 32, 35, 39

Find the median of this set of data: 5, 58, 15, 3, 59, 20, 11, 52, 5

Ron was in charge of collecting contributions for the Food Bank.He received $50, $21, $32, $11, and $48 from 5 co-workers.Find the median of these contributions.

Which 2 data sets have a median of 24?P: 24, 28, 17, 25, 20Q: 18, 28, 26, 24, 25R: 22, 29, 26, 24, 16S: 17, 24, 23, 21, 29

A sample of 16 boxes of cereal is selected from the production line for quality check. The masses of the boxes, in grams, are:304, 314, 313, 298, 293, 307, 298, 310, 307, 298, 317, 298, 317, 313, 317, 313What is the median mass?

Find the median and the range of this set of data: 48, 54, 50, 37, 57, 54, 58, 42

The hourly wages, in dollars, of 10 students are: 11, 12, 10, 13, 8, 8, 7, 8, 11, 9Find the median and the mode.

Identify the outlier in this set of data: 14, 15, 18, 13, 19, 3, 18

Bob’s scores on 4 history tests are: 65, 70, 62, 57What is the mean score, rounded to the nearest whole number?

Terry’s times, in minutes, for his training runs were: 47, 48, 49, 51, 50, 50, 47, 52Find Terry’s average run time.

Don receives these marks on 4 math tests: 75, 85, 83, 90What mark must he get on the next math test to have a mean of 84 for 5 tests?

Find the mean, median, mode, and range of this set of temperature data.Temperature (°C): 1, 1, 2, 3, 5, 8, 16, 23

Jay was absent for a math test. The test scores of his classmates were: 81, 90, 72, 95, 77, 50, 74, 83, 62, 86, 82, 55, 50, 52Jay took a makeup test. What was Jay’s score if the class mean was 71?

A game involves spinning this spinner.What is the probability of the pointer landing on R?

A pencil case contains 2 red felt pens, 3 white felt pens, and 7 blue felt pens.You pick a pen without looking. Find the probability of picking a white pen.

A die labelled 1 to 6 is rolled. Find the probability of rolling a number greater than 2.

The pointer on this spinner is spun once. What is the probability that the pointer will land on an even number in the unshaded area?

Twenty cards are numbered from 1 to 20. One card is drawn without looking. What is the probability that the number on the card is divisible by 7?Express the probability as a percent.

Use a tree diagram to find how many ways you can arrange the letters in STEM.

A coin is tossed and a die labelled 1 to 6 is rolled.What is the probability of the event “a head on the coin and a 5 on the die?”

In the last 3 seasons, Jordan played 55, 63, and 56 games.
What is the mean number of games played?

Cecil’s practice times, in seconds, for the 400 m race were: 127, 124, 116, 127, 121
What was the mean time?

This list gives the collar sizes, in centimetres, of shirts sold in a store:39, 37, 38, 38, 37, 40, 36, 39, 38, 39, 37, 38
What is the mode collar size?

Here are the monthly savings, in dollars, that Mary saved for a year:
23, 26, 18, 38, 38, 38, 20, 20, 29, 31, 28, 27
Find the mean amount of money saved.

Ron was in charge of collecting contributions for the Food Bank.
He received $50, $21, $32, $11, and $48 from 5 co-workers.
Find the median of these contributions.

Which 2 data sets have a median of 24?

P: 24, 28, 17, 25, 20
Q: 18, 28, 26, 24, 25
R: 22, 29, 26, 24, 16
S: 17, 24, 23, 21, 29

A sample of 16 boxes of cereal is selected from the production line for quality check. The masses of the boxes, in grams, are:
304, 314, 313, 298, 293, 307, 298, 310, 307, 298, 317, 298, 317, 313, 317, 313
What is the median mass?

The hourly wages, in dollars, of 10 students are: 11, 12, 10, 13, 8, 8, 7, 8, 11, 9
Find the median and the mode.

Bob’s scores on 4 history tests are: 65, 70, 62, 57
What is the mean score, rounded to the nearest whole number?

Terry’s times, in minutes, for his training runs were: 47, 48, 49, 51, 50, 50, 47, 52
Find Terry’s average run time.

Don receives these marks on 4 math tests: 75, 85, 83, 90
What mark must he get on the next math test to have a mean of 84 for 5 tests?

Find the mean, median, mode, and range of this set of temperature data.
Temperature (°C): 1, 1, 2, 3, 5, 8, 16, 23

Jay was absent for a math test. The test scores of his classmates were: 81, 90, 72, 95, 77, 50, 74, 83, 62, 86, 82, 55, 50, 52
Jay took a makeup test. What was Jay’s score if the class mean was 71?

A game involves spinning this spinner.

What is the probability of the pointer landing on R?

A pencil case contains 2 red felt pens, 3 white felt pens, and 7 blue felt pens.
You pick a pen without looking. Find the probability of picking a white pen.

Twenty cards are numbered from 1 to 20. One card is drawn without looking. What is the probability that the number on the card is divisible by 7?
Express the probability as a percent.

A coin is tossed and a die labelled 1 to 6 is rolled.
What is the probability of the event “a head on the coin and a 5 on the die?”