Which class should get the reward and why?
The 2nd period class should get the reward. They have the highest score, a perfect 100.
The 2nd period class should get the reward. They have a higher median.
The 4th period class should get the reward. Though the medians are the same, the first and third quartiles are higher, so the students did better on average than in the 2nd period class.
The 4th period class should get the reward. Their lowest score is an outlier, and should be thrown out.
Stacey Warren - Expert brainly.com
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A. The mean decreases by 2.75.
B. The mean increases by 2.75.
C. The mean increases by 3.25.
D. There are no outliers