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Romashka [77]
4 years ago
9

How will adding the value 200 affect the mean and median of the data set 10, 15, 17, 17, 19, 20?

Mathematics
1 answer:
marissa [1.9K]4 years ago
6 0

The median of the original set is 17 (the two middle numbers are both 17) and the median of the new set is also 17. I could stop here, because only one option says that the median stays the same, but I'll show how the mean increases. The mean of the original set is (10+15+17+17+19+20)/6, which is 98/6, which is 16 and 1/3. The mean of the new set is (10+15+17+17+19+20+200)/7, which is 298/7, which is  42 and 4/7. Therefore, the mean increases and the median stays the same, meaning answer A is correct.
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MrMuchimi

Answer:

A=5/12 B=4/12

Step-by-step explanation:

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kati45 [8]

The types of items that cost less than $3.75 per item are Paperbacks and notebooks.

<h3>How do we determine the price of a unit item in a word problem?</h3>

The price of a unit item can be determined by dividing the total price by the number of units sold.

Given that:

Paperbacks sold 3 units for $10.65;

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Puzzles sold 3 units for $11.85;

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Therefore, from the above calculations, we can conclude that the types of items that cost less than $3.75 per item are Paperbacks and notebooks.

Learn more about calculating the unit price of an item here:

brainly.com/question/5028370

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