# Worksheet: Comparing Data

In this worksheet, we will practice comparing between two data sets represented in different forms.

**Q1: **

This graph shows the number of soccer games that two teams played in five months. The blue broken line represents The Crookers, and the black broken line represents The Strokes. For each team, find the mode of the number of games they played each month.

- AThe Crookers: 9, The Strokes: 8
- BThe Crookers: 8, The Strokes: 5
- CThe Crookers: 7, The Strokes: 8
- DThe Crookers: 5, The Strokes: 8
- EThe Crookers: 5, The Strokes: 6

**Q2: **

A factory produces two types of shirt: A and B. To calculate how many of each to produce, the factory gathered data on the sales of their shirts at each of 5 malls. The table shows the sales of a sample of 100 shirts for each mall. Which type of shirt is more popular?

Mall | (1) | (2) | (3) | (4) | (5) |
---|---|---|---|---|---|

Sales of Type A | 87 | 51 | 26 | 23 | 24 |

Sales of Type B | 13 | 49 | 74 | 77 | 76 |

- AType A
- BType B

**Q3: **

This broken-line graph shows the scores achieved by two volleyball teams in each of five weeks. Compare the median scores of each team, and interpret the difference between them.

- AThe Robins have a higher median score, which suggests that, overall, their scores were higher than the other team.
- BThe Blue Jays have a higher median score, which suggests that, overall, their scores were higher than the other team.

**Q4: **

The broken line graph shows the number of matches that two volleyball teams, the Blue Jays and the Robins, played each month for 5 months. Calculate the median number of matches played by each team.

- ABlue Jays: 9, Robins: 6
- BBlue Jays: 6, Robins: 6
- CBlue Jays: 5, Robins: 6
- DBlue Jays: 9, Robins: 7
- EBlue Jays: 6, Robins: 7

**Q5: **

These histograms compare the heights of tall buildings in two cities. Which city has more buildings that are at least 500 but less than 600 feet tall?

- ACity B
- BCity A

**Q6: **

These histograms compare the heights of tall buildings in two cities. Which city has the tallest building?

- ACity B
- BCity A

**Q7: **

This double box-and-whisker plot compares the prices of books in 2 bookstores. Which bookstore has a greater range of prices?

- ABookstore B
- BBookstore A

**Q8: **

The given graph shows console sales in the US from October 2,008 to February 2,010. Use this data to answer the following.

During November 2,009 and December 2,009, what happened to Wii sales?

- AThey increased.
- BThey remained the same.
- CThey decreased.

During October 2,008 and December 2,008, what happened to Xbox 360 sales?

- AThey increased.
- BThey decreased.
- CThey remained the same.

Determine whether the following statement is true or false: During August 2,009, the sales of the three consoles were almost the same.

- Afalse
- Btrue

During December 2,009 and January 2,010, what happened to PS3 sales?

- AThey decreased.
- BThey increased.
- CThey remained the same.

Which console had the highest sales most of the time?

- AXbox 360
- BWii
- CPS3

During November 2,009 and December 2,009, which console had a higher increasing rate of sales?

- APS3
- BWii
- CXbox 360

Is the relation between the sales for each console and time linear or nonlinear?

- Alinear
- Bnonlinear

**Q9: **

A factory produces two types of shirt: A and B. To calculate how many of each to produce, the factory gathered data on the sales of their shirts at each of 5 malls. The table shows the sales of a sample of 100 shirts for each mall. Which type of shirt is more popular?

Mall | (1) | (2) | (3) | (4) | (5) |
---|---|---|---|---|---|

Sales of Type A | 82 | 79 | 41 | 47 | 57 |

Sales of Type B | 18 | 21 | 59 | 53 | 43 |

- AType B
- BType A

**Q10: **

This graph shows the number of soccer games that two teams played in five months. The blue broken line represents The Crookers, and the black broken line represents The Strokes. For each team, find the mode of the number of games they played each month.

- AThe Crookers: 8, The Strokes: 7
- BThe Crookers: 7, The Strokes: 9
- CThe Crookers: 9, The Strokes: 7
- DThe Crookers: 9, The Strokes: 9

**Q11: **

This broken-line graph shows the scores achieved by two volleyball teams in each of five weeks. Compare the median scores of each team, and interpret the difference between them.

- AThe Blue Jays have a higher median score, which suggests that, overall, their scores were higher than the other team.
- BThe Robins have a higher median score, which suggests that, overall, their scores were higher than the other team.

**Q12: **

The broken line graph shows the number of matches that two volleyball teams, the Blue Jays and the Robins, played each month for 5 months. Calculate the median number of matches played by each team.

- ABlue Jays: 7, Robins: 7
- BBlue Jays: 6, Robins: 7
- CBlue Jays: 5, Robins: 6
- DBlue Jays: 7, Robins: 8
- EBlue Jays: 6, Robins: 8