Answer: Sample IQR appears to be a biased estimator since it consistently underestimated the population IQR.
Step-by-step explanation: Checked by Khan Academy
Answer:
Observe the attached image
Step-by-step explanation:
The inequality we have is:

This means that the region represented by this inequality includes all the values below the horizontal line
.
To graph this region, draw a dotted horizontal line that intersects the y axis at
. Then shade all the region that is below the horizontal line, as shown in the attached image.
B, Becuase 76.5 divided by three, is 25.5
The remaining angle is 35 degrees. This makes the triangle an isosclese triangle as well.