test review unit 7. 1.) how many more people like yellow than orange?
TRANSCRIPT
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Test Review Unit 7
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1.) How many more people like yellow than orange?
Red Orange Yellow Purple0
2
4
6
8
10
12
14
Favorite Color in class
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2.) How many people vote for their favorite color?
Red Orange Yellow Purple0
2
4
6
8
10
12
14
Favorite Color in class
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3.) What is the interquartile range?
0.5 1 1.5 2 2.5 3 3.5 4 4.50.5
1.5
2.5
3.5
4.5
Number of Followers
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4.) How many people had less than 4 followers?
0.5 1 1.5 2 2.5 3 3.5 4 4.50.5
1.5
2.5
3.5
4.5
Number of Followers
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5.) How many more zebras do their need to be to have twice as many zebras as monkeys?
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6. What is the mode of the line plot below?
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7.) 40 people were surveyed. If there are 200 people in the school, how many would you expect to choose a zebra?
Animal Mascot Number of votes
Zebra 14
Giraffe 6
Lion 10
Chimpanzee 10
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8.) 40 people were surveyed, if there are 200 people in the school, how many would you expect to choose a giraffe?
Animal Mascot Number of votes
Zebra 14
Giraffe 6
Lion 10
Chimpanzee 10
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9.) What is the mean of the data?
5 7 3
9 4 1
5 10 1
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10.) If the surveyor surveyed 50 people, how many chose gryphon as their mode of transportation?
gryphon20%
unicorn60%
emu15%
motorcycle5%
Transportation between Class
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11.) If the surveyor surveyed 50 people, how many chose unicorn as their mode of transportation?
gryphon20%
unicorn60%
emu15%
motorcycle5%
Transportation between Class
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12.) What is 5% of 20?
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13.) What is the percent of change if 12 is increased to 18.
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14.) What is the range for Year 10?
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15.) Which Year had a higher median, and by how much?
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16.) Which Class had a greater interquartile range, and by how much?
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17.) True/False – Half the students in class A read between 82 and 73?
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18.) True/False: In both classes, everyone got less than a 90.
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19.) Divide and simplify:
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20.) True/False: IQR = Q3 - Q1