Question

. Sean has been recording the high temperatures (in degrees Fahrenheit) for the last week. His data is shown below.

Over the next four days, the high temperatures were 57°, 40°, 53°, and 43°. How is the mean affected by the addition of four additional data points?
The mean temperature decreased by approximately 9.2°.
There is no change in the mean temperature.
The mean temperature increased by approximately 7.91°.
The mean temperature decreased by approximately 7.91°.

Answer 1

http://prntscr.com/e3cafs here is the list of numbers

Answer 2

Do you know how to find the mean.

Answer 3

Add up all the numbers and divide it by how many numbers there are in the set.

Answer 4

Do you understand this ?

Answer 5

it was 70 then i add the other stuff so now its 62

Answer 6

so its not c or b

Answer 7

Let me look at the question.

Answer 8

i think its d

Answer 9

Sorry, took be a bit to load the screenshot and whatnot, but yes, you're correct.

Answer 10

Yeah, you're right.

Answer 11

I just finished reading the question. x'D