Statisticians use summary measures to describe the amount of variability or spread in a set of data. The most common measures of variability are the range, theinterquartile<span> range (</span>IQR<span>), </span>variance<span>, and standard deviation. This is from google btw</span>
Answer:
y= -5/4
Step-by-step explanation:
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Answer:
a. 9 b.36 c. 100 d. 13689
