
Introduction to Summary Statistics
Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Practice Problem
•
Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the two main criteria that summary statistics must satisfy?
They must be abstract and theoretical.
They must be complex and detailed.
They must be meaningful and simple.
They must be lengthy and comprehensive.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does central tendency help us understand about a data set?
The outliers in the data.
The center or average of the data.
The range of the data.
The total sum of the data.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which measure of central tendency is calculated by dividing the sum of all values by the number of values?
Range
Mode
Median
Mean
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example of salaries, what happens to the mean when an outlier like Bill Gates is included?
The mean becomes zero.
The mean decreases significantly.
The mean remains unchanged.
The mean increases significantly.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the median often preferred over the mean in the presence of outliers?
The median is always higher than the mean.
The median is easier to calculate.
The median is less affected by outliers.
The median is more affected by outliers.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the mode used for in qualitative data?
To identify outliers.
To calculate the average.
To find the most common category.
To determine the range.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which measure of central tendency is most useful when dealing with qualitative data?
Range
Mode
Median
Mean
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