A teacher promised a movie day to the class that did better, on average, on their test. The box plot shows the results of the te
st:
box plot labeled 2nd period with min at 77, Q1 at 78, median at 89, Q3 at 92, max at 100. Box plot labeled 4th period with min at 72, Q1 at 82.5, median at 89, Q3 at 96, max at 97.5
Which class should get the reward, and why?
a. The 2nd period class should get the reward. They have the highest score, a perfect 100.
b. The 2nd period class should get the reward. They have a higher median.
c. 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.
d. The 4th period class should get the reward. Their lowest score is an outlier, and should be thrown out.
box plot labeled 2nd period with min at 77, Q1 at 78, median at 89, Q3 at 92, max at 100. Box plot labeled 4th period with min at 72, Q1 at 82.5, median at 89, Q3 at 96, max at 97.5
Which class should get the reward, and why?
a. The 2nd period class should get the reward. They have the highest score, a perfect 100.
b. The 2nd period class should get the reward. They have a higher median.
c. 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.
d. The 4th period class should get the reward. Their lowest score is an outlier, and should be thrown out.
1 answer:
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Step-by-step explanation:
See attached picture.
First, compare the highest term of the dividend (x²) to the highest term of the divisor (x). We need to multiply the divisor by x.
When we do that, we get x² + 5x. Subtracting this from the dividend, we get -9x + 11.
Now repeat the process. Compare the highest term of the new dividend (-9x) to the highest term of the divisor (x). We need to multiply by -9.
When we do that, we get -9x − 45. When we subtract from the new dividend, we get 56.
So the quotient is x − 9, and the remainder is 56.
