Anna wants to know the average studentโs opinion of the tardy policy at her school. Which group of students should she survey in order to achieve the most accurate results?
D
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15
Find the Mean Absolute Deviation: 10, 9, 3, 8, 10.
2
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20
Dr. Dre is a dentist. He needs to report on the number of cavities that his patients have. Find the mean, median, and mode. 1, 0, 1, 5, 0, 3, 4, 2.
Mean = 2, Median = 1. 5, Mode = 0 and 1
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25
Construct a box and whisker plot: 33, 25, 42, 25, 31, 37, 46, 29, 38
25, 27, 33, 40, 46
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15
Employees at a law firm keep track of how many hours the work each week: {44, 48, 44, 40, 59}. Calculate the MAD.
5.2
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15
What is the IQR?
8
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eraser
Reset score!
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rocket
Go to first place!
Okay!
gift
Win 25 points!
Okay!
baam
Lose 20 points!
Oops!
banana
Go to last place!
Oops!
seesaw
Swap points!
Okay!
shark
Other team loses 15 points!
Okay!
thief
Give points!
5
10
15
20
25
25
Mackenna has taken four science tests and scored a 92, 78, 89 and 95. She has one more test and wants to finish the marking period with a 90%. What does she have to get on the fifth test to finish with a 90?
96
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20
Find Q3 for the following data set: 24, 22, 30, 18, 29, 38, 33, 17, 22, 25, 16, 41
31.5
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15
A pizza shop surveyed a random group of customers to determine their favorite pizza topping. Results are shown below. Out of 400 people, how many would you expect to say their favorite topping is sausage?
50
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baam
Lose 25 points!
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magnet
Take 25 points!
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fairy
Take points!
5
10
15
20
25
lifesaver
Give 25 points!
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15
Find the mean price of golf clubs.
$299
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15
Determine which measure of center best represents the data. Justify your selection and find that measure. The cost of a cupcake at 9 different bakeries: {3.50, 6, 3.50, 4, 3, 3.50, 3.50, 8, 3.50}
Mode since there are many repeated numbers. Mode= $3.50