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Statistical Measures and Distributions
Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Practice Problem
•
Hard
Thomas White
FREE Resource
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14 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What symbol is used to represent the population mean?
sigma
mu
x bar
s
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a characteristic of an outlier?
It is close to the mean
It is markedly higher or lower than the bulk of the data
It is always the median
It is the most frequent value
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the mean calculated?
By finding the middle value
By adding all data values and dividing by the number of values
By finding the most frequent value
By subtracting the smallest value from the largest
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the mean in the presence of outliers?
It remains unchanged
It is pulled towards the outliers
It becomes the median
It becomes the mode
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the median?
The difference between the highest and lowest values
A value with 50% of data above and below it
The average of all data values
The most frequent data value
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the symbol 'sigma' represent?
Sample mean
Population mean
Sample standard deviation
Population standard deviation
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the standard deviation tell us?
The average distance of data values from the mean
The most frequent data value
The middle value of the data
The sum of all data values
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