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Mathematics
9th -
University
SDC Measures of Center and Spread Vocabulary
20 questions
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- 1. Multiple Choice
An entire data set can be summarized using one statistic. This statistic is most likely the _______.
mode
standard deviation
range
mean
- 2. Multiple Choice
Jade subtracted the smallest value from the largest value in the data set. What statistic was she calculating?
standard deviation
range
variance
mean
- 3. Multiple Choice
Kayla took a look at all of her English grades and saw that she received a 90 on majority of her assignments. Therefore, 90 is most like the __________ of her list of grades.
mode
range
variance
minimum value
- 4. Multiple Choice
The largest number in a data set is referred to as the ______.
min
max
median
mean
- 5. Multiple Choice
The smallest value in a data set is referred to as the _______.
min
max
mean
median
- 6. Multiple Choice
The ____________ is equal to the standard deviation squared.
standard deviation
range
variance
maximum value
- 7. Multiple Choice
The middle value in a data set when the numbers are listed in order is referred to as the ________.
mean
median
mode
center
- 8. Multiple Choice
According to the picture, what is the mean of the data set?
6.3
44
3.6
3.3
- 9. Multiple Choice
According to the picture, what is the standard deviation of the data set?
6.3
44
3.6
3.3
- 10. Multiple Choice
Which statistics measures how spread out the data values are in a data set?
mean
mode
maximum value
standard deviation
- 11. Multiple Choice
The following symbol represents what?
the sample mean
the population mean
the sample standard deviation
the population standard deviation
the sample size
- 12. Multiple Choice
The following symbol represents what?
the sample mean
the population mean
the sample standard deviation
the population standard deviation
the sample size
- 13. Multiple Choice
The following symbol represents what?
the sample mean
the population mean
the sample standard deviation
the population standard deviation
the sample size
- 14. Multiple Choice
The following symbol represents what?
the sample mean
the population mean
the sample standard deviation
the population standard deviation
the sample size
- 15. Multiple Choice
The following symbol represents what?
the sample mean
the population mean
the sample standard deviation
the population standard deviation
the sample size
- 16. Multiple Choice
According to the Empirical Rule, what percentage of data values lie within ONE standard deviation of the mean?
68%
95%
99.7%
100%
- 17. Multiple Choice
According to the Empirical Rule, what percentage of data values lie within TWO standard deviation of the mean?
68%
95%
99.7%
100%
- 18. Multiple Choice
According to the Empirical Rule, what percentage of data values lie within THREE standard deviation of the mean?
68%
95%
99.7%
100%
- 19. Multiple Choice
Which z-score is unusual?
-1.52
0.97
1.98
-2.31
- 20. Multiple Choice
If a data value has a negative z-score, what can we say about that data value?
the data value is below average
the data value is less than zero
the data value is unusual
the data value is not unusual
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