Question

HELP TO MAKE SURE WORK IS CORRECT PLEASE!!!

Answer 1

An equation was used to predict possible sales of phones for 6 months. The actual sales of phones are also listed.


Actual sales 55 150 325 510 780 990
Predicted sales 40 150 300 500 800 1,000


The sum of the residuals is ______.
Numerical Answers Expected!

Answer for Blank 1:

Answer 2

20 is what i put for sum

Answer 3

So residual I think is the difference between the actual and the predicted right?

Answer 4

yes ma'am and then they are asking for the sum after you do each one :)

Answer 5

well then I believe that answer will be given by this then
\[(55+150+325+510+780+990)-(40+150+300+500+800+1000)\]

Answer 6

which does come out to be 20

Answer 7

thats now how i did it

Answer 8

i subtracted each actual sale and predicted then found the answer to them and added them all together :)

Answer 9

that is the same thing

Answer 10

just written differently
remember addition is commutative

Answer 11

ok may you make sure another is correct?

Answer 12

or a couple? :D

Answer 13

maybe

Answer 14

is it something about residuals or whatever?

Answer 15

no

Answer 16

algebra still lol

Answer 17

can you still help????

Answer 18

I'm waiting
I said I might be able to help

Answer 19

I have to get a look of the warlock before I know
Iike residuals was kind of a new term for me

Answer 20

ok

Answer 21

The following data show the scores Gina obtained on 12 IQ tests:

93, 83, 74, 74, 83, 92, 93, 94, 90, 87, 83, 86

The box plot below represents the data:

box plot has minimum value equal to 74, lower quartile equal to 83, median equal to 86.5, upper quartile equal to 89 and maximum value equal to 94

Which of the following is shown incorrectly in the box plot?

Median
Lower quartile
Upper quartile
Maximum value

Answer 22

well looking at the data have you tried to find the information yet?

Answer 23

like first thing is to order the data from least to greatest

Answer 24

i think its c

Answer 25

I like to use a stem leaf chart to organize my data

Answer 26

ok what is that?

Answer 27

we see from the chart 74 is indeed the min
and 94 is the max