Statistical Measures
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Mathematics
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9th - 10th Grade
•
Hard
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7 questions
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1.
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
Mean
Mode
Median
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a data set with an outlier, which measure of central tendency is least affected?
Mean
Mode
Range
Median
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the interquartile range (IQR) used to measure?
The spread of the middle 50% of data
The most frequently occurring value
The difference between the highest and lowest values
The average of all data points
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you calculate the interquartile range (IQR)?
Find the mean of all data points
Add the first and third quartiles
Subtract the first quartile from the third quartile
Subtract the smallest value from the largest value
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the mean absolute deviation indicate about a data set?
The middle value of the data set
The range of the data set
The average distance from the mean
The most common value
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the range of a data set calculated?
By calculating the mean absolute deviation
By finding the median of the data set
By subtracting the smallest value from the largest value
By finding the mean of all values
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a data set has a range of 15 mph, what does this tell you?
The data set has a mean of 15 mph
The data set varies at most by 15 mph
The median speed is 15 mph
The most common speed is 15 mph
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