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To find the interquartile range you will list the data in order from least to greatest.
Find the median (marked with the | - it is not one of the numbers).
Look at the left half the data and find the middle - lower quartile (underlined) and look at the right half of the data and find the middle - upper quartile
112, 119, 143, | 146, 152, 175
The distance from 119 to 152 is the IQR. Subtract them to find the value,
152 - 119 = 33
The IQR is 33.
Find the median (marked with the | - it is not one of the numbers).
Look at the left half the data and find the middle - lower quartile (underlined) and look at the right half of the data and find the middle - upper quartile
112, 119, 143, | 146, 152, 175
The distance from 119 to 152 is the IQR. Subtract them to find the value,
152 - 119 = 33
The IQR is 33.
Answer:
To find the interquartile range you will list the data in order from least to greatest.
Find the median (marked with the | - it is not one of the numbers).
Look at the left half the data and find the middle - lower quartile (underlined) and look at the right half of the data and find the middle - upper quartile
112, 119, 143, | 146, 152, 175
The distance from 119 to 152 is the IQR. Subtract them to find the value,
152 - 119 = 33
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