7th Grade Statistics Jeopardy Template

Definitions

MEAN & IQR

Comparing Data

Probability I

Pobability II

100

What is another word that we used to describe the mean?

Average

100

Phyllis is comparing the daily high temperatures in two cities.

Chicago, Il

40, 39, 41, 38, 42, 44, 45, 37, 48, 46

San Francisco, CA

59, 66, 57, 63, 67, 61, 70, 62, 61, 64

What is the mean temperature for Chicago, IL?

100

Phyllis is comparing the daily high temperatures in two cities.

Chicago, Il

40, 39, 41, 38, 42, 44, 45, 37, 48, 46

San Francisco, CA

59, 66, 57, 63, 67, 61, 70, 62, 61, 64

Which description best compares the two data sets?

a. Both data sets have a similar mean and variability.

b. Each data set has a much different mean and variability than the other data set.

c. Both data sets have similar means buy one data set has a much high variability.

d. Both data sets have similar variability but one data set has a much higher mean.

100

Which of the following events has the greatest theoretical probability?

a. Tossing a 5 on the number cube labeled 1-6.

b. tossing a penny and having it land tails up.

c. Spinning a 7 on a spinner with 5 sections labeled 2, 4 , 6, 8, and 10.

d. Pulling a green ribbon randomly from a bag with 1 red, 1 yellow, and 3 green ribbons.

100

Delcon spins a spinner two times with the number 1-4 on it. How many outcomes are possible?

a. 4

b. 8

c. 12

d. 16

200

How do we find the mode?

Find the number that is repeated the most. (Highest frequency). If no numbers are repeated, there is no mode, and if there is a tie, the mode includes all of the numbers tied.

200

Phyllis is comparing the daily high temperatures in two cities.

Chicago, Il

40, 39, 41, 38, 42, 44, 45, 37, 48, 46

San Francisco, CA

59, 66, 57, 63, 67, 61, 70, 62, 61, 64

What is the mean temperature for San Francisco, CA?

200

The data show the number of floors in apartment buildings in two different neighborhoods.

Neighborhood A

21, 24, 36, 18, 35, 15, 12, 16, 14, 28

Neighborhood B

7, 4, 8, 10, 5, 8, 4, 6, 3, 5

Which of the following describes the relative mean variability of the data for Neighborhood A as compared to the data for Neighborhood B?

a. both are relatively high

b. both are relatively low

c. the mean is relatively high and the variability is relatively low

d. the variability is relatively high and the mean is relatively low.

b. both are relatively low

200

A spinner has three equal sections. The following tables gives the results of 60 spins on the spinner.

outcome frequency

blues 25

red 18

yellow 17

How much greater is the experimental probability of landing on blue than the theorectical probability of landing on blue?

a. 1/4

b. 1/10

c. 1/12

d. 1/20

c. 1/12

200

Delcon spins a spinner two times with the number 1-4 on it.

What is the probability of landing on the number 1 with the first spin and 2 with the second spin?

a. 1/16

b. 1/12

c. 1/8

d. 1/4

a. 1/16

300

How do we find the median? (What happens if there is a tie?)

First put the numbers in order from smallest to largest, then find the middle number. If there are two middle numbers (even number of numbers) then find the average of these numbers.

300

Phyllis is comparing the daily high temperatures in two cities.

Chicago, Il

40, 39, 41, 38, 42, 44, 45, 37, 48, 46

San Francisco, CA

59, 66, 57, 63, 67, 61, 70, 62, 61, 64

The mean temperature for Chicago, IL is how many degrees Fahrenheit colder than the mean temperature for San Francisco, CA?

a. 18

b. 19

c 20

d. 21

300

The data show the number of floors in apartment buildings in two different neighborhoods.

Neighborhood A

21, 24, 36, 18, 35, 15, 12, 16, 14, 28

Neighborhood B

7, 4, 8, 10, 5, 8, 4, 6, 3, 5

Which of the following best describes the overlap in the data sets?

a. no overlap

b. slight overlap

c. moderate overlap

d. complete overlap

a. no overlap

300

The following outcomes gives the results of tossing a number cube 50 times.

2 5 3 6 5 4 6 6 3 1

4 2 2 4 1 6 5 3 3 6

5 3 2 5 4 6 6 1 3 5

3 1 4 4 3 1 2 5 5 2

6 4 1 3 3 2 1 1 3 6

Which of the following is the experimental probability of tossing a 3 expressed as a percent?

a. 11%

b. 17%

C. 20%

d. 22%

c. 20%

300

Destiny has a bag with 3 green, 4 red, and 5 blue marbles. Destiny will pick 2 marbles form the bag, one at a time without looking. She will not replace a marble before picking the next marble. What is the probability of Destiny picking a red marble, followed by a green marble?

a. 1/12

b. 1/11

c. 7/12

d. 1/2

b. 1/11

400

How do we find the range and IQR?

The range is the maximum - minimum.

The interquartile range is the upper quartile - lower quartile

400

Phyllis is comparing the daily high temperatures in two cities.

Chicago, Il

40, 39, 41, 38, 42, 44, 45, 37, 48, 46

San Francisco, CA

59, 66, 57, 63, 67, 61, 70, 62, 61, 64

What is the interquartile range for Chicago, IL?

400

Josh's neighborhood started two clubs --- one for movies and one for books. The ages of the book club members are 48, 27, 32, 56, 59, 43, 39, 28, 28, 42, 71, and 55 years. The ages of the movie club members are 24, 27, 18, 26, 34, 32, 42, 45, 16, 23, 19, and 30 years.

What is the range of the overlap between the two sets of data?

a. between 18 and 45 years of age

b. between 18 and 71 years of age

c. between 27 and 45 years of age

d. between 27 and 71 years of age

c. between 27 and 45 years of age

400

Mr. Perez designs a probability model to help him predict which color car high customers will want to buy. He puts equal numbers of red, black, white, gray, and blue slips of paper into a bag to represent all the different possible car colors. Which of the following statements about the model are true?

a. Mr. Perez will most likely not pull any black slips.

b. Mr. Perez is more likely to pull a red slip than a blue slip.

c. Adding another white slip would make this a non-uniform probability model.

d. The results of Mr. Perez's experiment are likely to exactly match the frequency with which his customers select each color car.

a. Mr. Perez will most likely not pull any black slips.

400

A bag hold a number of ribbons as given in the table below.

color number of ribbons in bag

black 1

blue 3

green 4

Jolene pulls a colored ribbon from a bag and does not replace it. She then draws a second ribbon.

How man outcomes are possible?

a. 5

b. 6

c. 8

d. 9

b. 6

500

What is the MAD and what does it tell you about a data set?

The Mean Absolute Deviation. It tells us the average distance from the mean, which is a measure of spread.

500

Phyllis is comparing the daily high temperatures in two cities.

Chicago, Il

40, 39, 41, 38, 42, 44, 45, 37, 48, 46

San Francisco, CA

59, 66, 57, 63, 67, 61, 70, 62, 61, 64

What is the IQR for San Francisco, CA?

500

How do the medians of each data set compare to the overlap in the data sets?

a. Neither median is included in the overlap.

b. Only the median age of the book club members is included in the overlap.

c. Only the median age of the move club members is included in the overlap.

d. Both medians are included in the overlap.

500

For each situation, tell whether the situation is unlikely, likely, or neither likely nor unlikely.

a. Drawing a 10 from a bag with 100 slips of paper numbered 1-100.

b. Rolling a number less than 5 on a number cube labeled with the numbers 1-6.

c. Drawing a red marble from a bag containing 8 red and 8 blue marbles.

a. unlikely

b. likely

c. neither likely nor unlikely

500

A bag hold a number of ribbons as given in the table below.

color number of ribbons in bag

black 1

blue 3

green 4

Jolene pulls a colored ribbon from a bag and does not replace it. She then draws a second ribbon.

What is the probability that Jolene draws two blue ribbons?

a. 3/28

b. 9/64

c. 9/56

d. 6/25

a. 3/28