$60 + (60 · 0.20) = 60 + 12 = 72
$72 - (72 · 0.20) = 72 - 14.4 = 57.6
Answer: $57.60
The answer is b the median decreased and the median increased
41.8, angle y and the measurement angle labeled as just "138.2" are supplementary angles, meaning that when you add them together they equal 180. So all you have to do is subtract 138.2 from 180 and you get your answer which is 41.8.
Answer:
11.5
The sample standard deviation measures the spread of a data distribution of the sample. It is usually used to estimate the population standard deviation