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6 votes
6 votes
Use the following data set to answer question 8:

13, 19, 7, 12, 21, 18, 15 8.

Predict how the mean will change if the 7 is deleted from the data set. Calculate the new mean. Round to the nearest tenth.​

User Coherent
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1 Answer

20 votes
20 votes

Answer:

15.1 to nearest tenth.

Explanation:

The 7 is the lowest number so the mean would increase if taken away.

New mean = (8 + 12 + 13 + 15 + 18 + 19+21) / 7

= 106 / 7

= 15.14

User Stanislav Agapov
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