Question

Would anyone want to help me on my 10 question worksheet on Statistical Analysis? It shouldn't be to hard for you and it would really help me

Answer 1

please post the question, somebody will help im sure

Answer 2

https://gyazo.com/008d0397fa0457b385f6ae4c17a56059

Answer 3

thats question 2

Answer 4

look at the given dot plot
do you see any outlier ?

Answer 5

Yes

Answer 6

The dot on 10

Answer 7

Exactly, since an outlier is there, "median" is the best measure for center

median is robust to outliers as the outliers don't affect median at all.

Answer 8

ok so it would be median?

Answer 9

Yes

Answer 10

ok

Answer 11

Ill post again if I need help on another question

Answer 12

I Dont understand this subject its very odd for me

Answer 13

https://gyazo.com/52e566d0b1ec8d591f1e2dcecf8f9eae

Answer 14

Im sorry I feel like its c based on the last

Answer 15

but im not sure

Answer 16

do you see any outliers here ?

Answer 17

Yes 2

Answer 18

so use "inter quartile range" for spread

Answer 19

Would it be Median again?

Answer 20

oh

Answer 21

"median", "mean" measure "center

"mean absolute deviation". "interquartile range" measure variability

Answer 22

Ugh Im so confused

Answer 23

when you have outliers, use below :

1) median for center
2) interquartile range for variability

Answer 24

ok

Answer 25

THanks

Answer 26

mean absolute deviation right?

Answer 27

since you have outliers in the given bar chart, you would use "inter quartile range"

Answer 28

I got confused and Put in interquartile range

Answer 29

I got it wrong but right the second time

Answer 30

sorry :/

Answer 31

thats okay

Answer 32

so can you give me a Definition for dummy's of mean absolute deviation

Answer 33

?

Answer 34

mean absolute deviation

as the name says, it sees how much far away each data value is located from the "mean"

Answer 35

ok

Answer 36

Thanks

Answer 37

https://gyazo.com/e305909351cedb8e132801198f44f533 so for this one would I find the mean and then...

Answer 38

or is there something else

Answer 39

first find the mean

Answer 40

ok

Answer 41

is the mean 160?

Answer 42

Correct

Answer 43

Ok

Answer 44

Next step?

Answer 45

see how much far away each of the data point in given table from the mean

Answer 46

simply subtract each of the given data point from the mean

Answer 47

im confused

Answer 48

what am I subtracting from 160?