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14 questions
What is the interquartile range of the data set below?
3, 5, 6, 6, 7, 8, 9
3
6
2
8
Find the interquartile range using the following data
4, 4, 4, 4, 5, 6, 7, 7, 7
3
1.5
2
6
Find the IQR using the following data.
50, 60, 82, 86, 94, 110
60
84
34
50
The median is always equal to one of the values in the data set.
True
False
The median is the midpoint between the smallest and largest values in the data set.
True
False
What do quartiles split data up into?
halves
thirds
fourths
fifths
What is an interquartile range?
The difference between the upper and lower quartiles.
The measure of the middle half of the data.
A measure of variability.
All of the above
None of the above
What is the first step to take when attempting to find IQR?
Find the lower and upper quartile.
Find the median.
Put the list of numbers in order.
Subtract the lower and upper quartile.
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