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Mathematics
9th -
12thgrade
Statistics Quiz Measures of Central Tendency
20 questions
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- 1. Multiple Choice
True or false: Quartile 1 to Quartile 3 represents the middle 50% of a data set.
True
False
- 2. Multiple ChoiceWhat is the minimum value?64586661
- 3. Multiple ChoiceFind the interquartile range using the following.
Minimum: 1
Q1: 3
Median: 5
Q3: 7
Maximum: 984510 - 4. Multiple Choice
What is the interquartile range of the data set below?
3, 5, 6, 6, 7, 8, 9
3
6
2
8
- 5. Multiple Choice
At Dy's Donuts the number of donut holes in a bag can vary. Help Dy find the mode.
12,10,10,10,13,12,11,13,10
13
12
11
10
- 6. Multiple ChoiceFind the mean of these numbers:
2, 57, 38, 42, 6293850145 - 7. Multiple ChoiceMedian is closest to:3078101125
- 8. Multiple ChoiceWhat is the maximum value?58666460
- 9. Multiple ChoiceWhat data value is the upper quartile (Q3)?64626658
- 10. Multiple ChoiceWhich class has the higher test score median?Class #1Class # 2The medians are equalThe median is not shown here.
- 11. Multiple ChoiceWhat is the interquartile range (IQR) of the data set?2025510
- 12. Multiple ChoiceHow many students have 1 or 2 pets?2351
- 13. Multiple ChoiceA value that is much higher or much lower than the other values in a set of data.OutlierBox PlotRangeHistogram
- 14. Multiple Choice
Quartile 1 of last week's quiz scores was 75, and the interquartile range was 33. Calculate the lower outlier.
25.5
124.5
15
-5.5
- 15. Multiple Choice
Quartile 3 of last unit's test scores was 72, and the interquartile range was 17. Calculate the higher outlier.
100.5
124.5
97.5
49.5
- 16. Multiple Choice
Bryier the baker bakes a lot of bread. The number of loaves he gets from a batch varies though. Here's how many loaves he's gotten from the last couple batches: 10 loaves, 9 loaves, 10 loaves, 9 loaves, 11 loaves, 8 loaves, 10 loaves.
What is the mode?
9.6 loaves
10 loaves
3 loaves
- 17. Multiple Choice
The mode is the number ________________________.
you see most
you see least
you don't see
you see first
- 18. Multiple Choice
What does this symbol represent?
Standard Deviation
Variance
Mean Absolute Deviation
Sigma
- 19. Multiple ChoiceThis data is normally distributed. What percent of the data is in the shaded region?68%95%99.7%50%
- 20. Multiple Choice
In statistics, what does this symbol represent?
sample mean
population mean
sample standard deviation
population standard deviation
- Answer choicesTagsAnswer choicesTags