Question

When the outlier(s) are removed, how does the mean change? dot plot with 1 dot over 15, 1 dot over 23, 1 dot over 24, 1 dot over 25, 1 dot over 26, 1 dot over 27, and 1 dot over 35 The mean doesn't change. The mean increases by 2. The mean decreases by 2. There are no outliers.

Answer 1

C

Explanation:

The mean will increase by 2. The outlier is 15. When you remove it, the mean will increase.

Answer 2

With the outliers the mean is 25, how?

well if we put down the numbers 15,23,24,25,26,27,35 and add them together 15+23+24+25+26+27+35 we get 175 now we have to divide by how many numbers are there 175/7=25. That is the mean WITH the outliers.

Now, WITHOUT the outliers. The outliers are 15 and 35. We know this because, there is a huge gap between 15 and 23, and 27 and 35. We basically do the same thing but without the outliers. 23+24+25+26+27=125 we divide by how many numbers are there 125/5 then we get 25.

So the answer is A-The mean doesn't change