Review- Data, Circles, & Circle Graphs

Parts of a Circle

Multiple Choice

Is the red line a radius or diameter of the circle?

• Radius
• Diameter

Multiple Choice

What is the diameter?

• 8
• 16
• 10
• 4

Multiple Choice

What is the radius?

• 18
• 72
• 38
• 14

Multiple Choice

Is the red line a radius or diameter of the circle?

• Radius
• Diameter

Multiple Choice

What is the diameter?

• 5 in
• 10 in
• 3.14 in
• 15.84 in

Multiple Choice

What does "circumference" mean?

• Space a circle takes up
• Distance around a circle
• Line from one side of a circle to another
• Line from center of circle to side

Multiple Choice

The symbol for Pi is

• π
• Σ
• Ψ
• ⊈

Multiple Choice

Which formula below would you use to find π?

• C/d = π
• C x d= π

Multiple Choice

π is equal to circumference divided by _________________.

• radius
• diameter
• area
• itself

Multiple Choice

The diameter of a circular pool is 24.8 feet and the circumference is 77.9 feet. What should you do to find π?

• 77.9 / 24.8

• 24.8 / 77.9

Finding the Circumference of a circle

Multiple Choice

If my radius is 10ft, what is my diameter?

• 20ft
• 5ft
• 31.4ft
• 62.8ft

Multiple Choice

what is the circumference of this circle ?

C= $$\Pi d$$

C= $$2\Pi r$$

• 3.14 cm 
• 37.70 cm

• 24 cm
• 68.4 cm

Multiple Choice

A circular swimming pool is 21 feet in diameter.
How many feet around is the pool?

C= $$\Pi d$$

C= $$2\Pi r$$

• 10.5 ft
• 42 ft
• 65.97 ft

• 131.95 ft

Multiple Choice

What is the circumference?

C= $$\Pi d$$

C= $$2\Pi r$$

• 50.27

• 96.50

• 24.8

• 18.27

Multiple Choice

Find the circumference (to the nearest whole number)

C= $$\Pi d$$

C= $$2\Pi r$$

• 88 in
• 44 in
• 116 square in
• None of the above

Area of A Circle

Multiple Choice

Find the area of the circle

A= $$\Pi r^2$$

• 43.96
• 153.94

• 87.82
• 307.72

Multiple Choice

find the area of the circle below.

A= $$\Pi r^2$$

• 100.15 cm

• 225.27 cm

• 9.15 cm

• 28.27 cm

Multiple Choice

What is the area of this circle?

A= $$\Pi r^2$$

• 163.2
• 15.3
• 124.2
• 113.1

Multiple Choice

What is the area of this circle?

A= $$\Pi r^2$$

• 15393.8
• 1248.12
• 5930.12
• 3848.45

Mean, Median, Mode

​Remember..."balance point" = find the mean

Multiple Choice

At Donald's Donuts the number of donut holes in a bag can vary. Help Donald find the mode.
12,10,10,10,13,12,11,13,10

• 13
• 12
• 11
• 10

Multiple Choice

Find the mean of these numbers:
2, 57, 38, 42, 6

• 29
• 38
• 50
• 145

Multiple Choice

Find the median of these numbers:
4,2,7,4,3

• 2
• 5
• 7
• 4

Multiple Choice

Find the median.
12, 5, 9, 18, 22, 25, 5

• 9
• 8
• 12
• 18

Multiple Choice

Find the Mean of:
8, 14, 32, 6, 15

• 15
• 175
• 75
• 12

Multiple Choice

Find the mode:
5, 0, 9, 9, 3, 0, 5, 5, 4

• 9
• 5
• 3
• 7

Best Measure of Center

Multiple Choice

Which measure of center best represents this set of data?
12, 13, 11, 16, 31, 14, 10, 15

• Mean
• median
• mode

Multiple Choice

Which measure of center best represents this set of data?
red, blue, red, yellow, red, green, black, red, white, red, red

• Mean
• median
• mode

Multiple Choice

The salary of the employees in the office were $15,000; $18,000; $16,000; $14,000; $90,000; and $17,000.  What is the best measure of the central tendency of the salaries?

• Mean
• Median
• Mode
• Range

Multiple Choice

What measure of center is best to use when we have outliers?

• mean

• median

• mode

• range

Multiple Choice

When analyzing numerical data, the best measure of center with NO outlier is:

• mean

• median

• mode

• range

Multiple Choice

How would you describe this distribution?

• Left skewed
• Uniform
• Right Skewed
• Symmetrical

Multiple Choice

Which is the best measure of central tendency?

• Mean because the data is symmetrical and there are no outliers

• Median because the data has is skewed

• Mode because there is a peak

• Median because there are outliers

Multiple Choice

Which is the best measure of center to use for this data?

• Mean because the data is symmetrical

• Median because the data is skewed left

• Mode because the data is skewed left

Multiple Choice

Which is the best measure of center to use for this data?

• Mean because the data is symmetrical

• Median because the data is skewed left and there are outliers

• Mode because the data is skewed left

​Area of a Triangle

Multiple Choice

What is the height of this triangle?

A= $$\frac{1}{2}bh\ \ \ \ or\ \ \ \ \ \frac{bh}{2}$$

• 7 cm

• 8 cm

• 28 cm²

• 6 cm

Multiple Choice

Find the area of the triangle

A= $$\frac{1}{2}bh\ \ \ \ or\ \ \ \ \ \frac{bh}{2}$$

• 12 in²

• 12 in²

• 24 in²

• 6 in²

Multiple Choice

Area

A= $$\frac{1}{2}bh\ \ \ \ or\ \ \ \ \ \frac{bh}{2}$$

• 12 inches

• 12 square inches

• 24 square inches

• 6 square inches

Multiple Choice

Find the area?

A= $$\frac{1}{2}bh\ \ \ \ or\ \ \ \ \ \frac{bh}{2}$$

• 15 in²
• 30 in²
• 15 in
•  30 in

Multiple Choice

What is the area of the triangle shown?

A= $$\frac{1}{2}bh\ \ \ \ or\ \ \ \ \ \frac{bh}{2}$$

• 44.4 mm²
• 8.5 mm²
• 8.88 mm²
• 17.76 mm²

Circle Graphs

Multiple Choice

The team scored 50 points. How many points did Kendrick score?

• 12 points
• 20 points
• 10 points
• 72 points

Multiple Choice

There are 200 vegetable plants in a garden.  How many of the vegetable plants are green beans?

• 16
• 24
• 28
• 32

Multiple Choice

According to this circle graph, what is the least popular flavor of Jolly Rancher?

• Blue Rasberry
• Watermelon
• Grape
• Apple

Multiple Choice

What is the total percent of a pie or circle graph?

• 10%
• 50%
• 100%
• 1000%

Multiple Choice

Which table represents the data in the graph?

Multiple Choice

Which table represents the same data shown in the graph?

Multiple Choice

Which circle graph best represents the same set of data as the bar graph?

Multiple Choice

Approximately how many hours a day are spent in school and doing homework? (Remember: how many hours are in a day?)

• 6 hours

• 8 hours

• 2 hours

• 12 hours

Multiple Choice

3) Mark made a circle graph of his budget. Which fraction could represent the amount of Mark's budget spent on entertainment?

Multiple Select

1) Ben surveyed 40 students about their favorite color. This circle graph shows the results. Identify each pair of colors that together could represent the results of a group of exactly 20 students.

• Yellow and Green

• Green and Pink

• Blue and Green

• Pink and Blue

• Red and Green

Multiple Choice

2) 12 students answered a multiple-choice question with answer choices labeled A, B, C, and D. The circle graph represents how the students answered the question. Which of these represents the same data shown in the graph?