Team 1
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Team 2
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Teams
Name
Score
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15
×
Students are assigned numbers by a computer. Those numbers are then pulled out of a hat to make a sample. Is this a random sample?
Yes
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×
seesaw
Swap points!
Oops!
×
magnet
Take 20 points!
Okay!
×
gift
Win 15 points!
Okay!
×
lifesaver
Give 20 points!
Oops!
25
×
Make a statistical observation about variability.
any correct
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Check
20
×
AS THE SAMPLE SIZE GOES UP. What happens to sample variability ?
it goes down
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eraser
Reset score!
Oops!
×
magnet
Take 15 points!
Okay!
×
shark
Other team loses 25 points!
Okay!
×
banana
Go to last place!
Oops!
25
×
Find the IQR. 57, 81, 33, 30, 38, 40, 51, 91
10
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Check
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Check
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banana
Go to last place!
Oops!
×
seesaw
Swap points!
Okay!
×
fairy
Take points!
5
10
15
20
25
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thief
Give points!
5
10
15
20
25
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trap
No points!
Oops!
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fairy
Take points!
5
10
15
20
25
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rocket
Go to first place!
Okay!
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thief
Give points!
5
10
15
20
25
15
×
If we ask everyone in a population a question then it is called a _______ .
Census
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15
×
Two samples of students have a different mean. Why is this?
Sampling variability
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20
×
Find the median: 54, 20, 79, 53, 55, 42, 45, 39, 53, 82, 50
53
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15
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A population is _____ .
Everyone in the target group
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15
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The mean of all wellspring students heights is an example of ________ .
Population Mean
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20
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Median is a measure of ____________ .
Centre
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15
×
Which samples are more reliable?
Larger samples
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15
×
American students take less time to get to school that students in SA. Why is this?
Population variability.
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×
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