grade 7 math unit 5

Multiple Choice

Madison bowled 7 games last weekend. Her scores are: 155, 165, 138, 172, 127, 193, 142. What is the range of Madison's scores?

• 193

• 127

• 60

• 66

Multiple Choice

The scores awarded to 25 students for an assignment at Whaley's were as follows:

4 7 5 9 8 6 7 7 8 5 6 9 8 5 8 7 4 7 3 6 8 9 7 6 9

What is the mode?

• 6

• 7

• 8

• 9

Multiple Choice

Find the mean of these numbers:
5,11,2,12,4,2

• 4.1
• 6
• 4.5
• 4

Multiple Choice

The number of miles that Sahil cycled each week for a 7-week period is shown:

36, 42, 28, 52, 48, 36, 31

What is the median number of miles Sahil cycled?

• 24

• 36

• 39

• 52

Multiple Choice

Find the mean.
90, 100, 95, 85, 60, 80

• 85
• 84
• 86
• 90

Multiple Choice

At which age do the least amount of teens have a cell phone?

• 18
• 14
• 13
• 15

Multiple Choice

How many more miles did Ariana drive on Wednesday than on Tuesday?

• 40 miles

• 10 miles

• 5 miles

• 50 miles

Multiple Choice

What is the general trend of this line graph?

• The more you mow, the less money you make.
• You make the same amount of money regardless of how long you mow.
• The more you mow, the more money you make.
• Mowing is dangerous.

Multiple Choice

The graph below shows the number of sunny days and rainy days in a city during four months.

Based on the graph,how many more sunny days than rainy days did this city have during the months of April, May, and June?

• 21
• 56
• 26
• 20

Multiple Choice

Which day had more minutes of homework?

• Wednesday
• Thursday
• Friday
• Ms. Jones

Multiple Choice

What is the least popular social media platform for ages 30-49?

• Twitter

• Snapchat

• Whatsapp

• Instagram

Multiple Choice

What is the range of the data shown in the stem and leaf plot?

• 40
• 56
• 136
• 96

Multiple Choice

A florist by the name of Gurman records the amount of money she spent on gasoline each week to deliver orders. The list shows the data for 16 weeks.

32, 38, 40, 44, 44, 46, 49, 53, 55, 58, 62, 65, 68, 70, 72, 81

She put the data in a stem-and-leaf plot. What number did she leave out of the stem-and-leaf plot?

• 32

• 44

• 65

• 81

Multiple Choice

What is the median?

• The number in the middle when the numbers are in order from least to greatest.

• The difference between the largest and smallest number.

• The average

• The number that appears most often.

Multiple Choice

Roger bowled 7 games last weekend. His scores are: 15, 16, 13, 17, 12, 19, 14. What is the range of Roger's scores?

• 19

• 12

• 6

• 7

Multiple Choice

How many students scored more than 80%?

• 10
• 13
• 7
• 15

Multiple Choice

What percent of people listened to the three most popular radio stations?

• 55%

• 75%

• 90%

• 70%

Multiple Choice

500 people were surveyed. How many people preferred listening to CJAB? (Hint: The percent OF 500)

• 20

• 340

• 80

• 100

Multiple Choice

What is the largest number?

• 49

• 88

• 100

• 106

Multiple Choice

What is the best way to protect yourself against misleading graphs?

• Look at the visual representation only

• Never trust graphed data again

• Read the labels, the scale, the numbers, and the context

• Look only at the curves and the trend of the data

​Maci surveyed all of the members of her Softball team about their favorite sport.​

​

Based on these results, Maci concludes that softball is the favorite sport ​among ALL of her classmates.​

Open Ended

Why is Maci's survey biased?

Multiple Choice

Is the survey biased or unbiased?

To represent all students attending a school, the principal surveys the students in one math class.

• Biased

• Unbiased

Poll

Which graph appears to show a steeper increase in price?

• Graph A

• Graph B

Multiple Choice

Which graph should be used if...

You want to tell people that ticket sales keep going up, and it's ridiculous!

• Graph A

• Graph B

Multiple Choice

Which graph should be used if...

You want people to think that your business is extremely profitable.

• Graph A

• Graph B

That may be true, but that's only because Tornado is SO much taller than all the others!​

​

The Median would be a more accurate "average" for this data.​

​

"The average height of our roller coasters is 170 ft!"

​

Open Ended

In at least two sentences, explain what is misleading about this graph. (Zoom in to enlarge graph)

Open Ended

Explain how is this graph misleading (confusing).

Open Ended

Explain how this sentence is misleading: "4 out 5 dentists surveyed preferred UltraClean toothpaste"

Open Ended

Explain how is this graph misleading.