Math Questions I need Help with please :)

Question

anonymous · Answer

attachment

anonymous · Answer

@shifuyanli

amistre64 · Answer

what are your thoughts?

anonymous · Answer

I have the answers that I think they are but I am not really sure.

amistre64 · Answer

im not asking you to be sure .... we can correct them if they are off

anonymous · Answer

For 2. I think D
For 3. I think B
For 4. C 
For 7 I think C

anonymous · Answer

Those are my answers.

amistre64 · Answer

so we know its skewed, what does left and right tell us?

anonymous · Answer

its skewed to the right

amistre64 · Answer

what gets skewed left or right?

anonymous · Answer

the line plot

amistre64 · Answer

the skew defines which side that the mean lies relative to the median

the median is 13.5  the mean is not

amistre64 · Answer

do you know hot to calculate these parts of it?

amistre64 · Answer

|dw:1431017100626:dw|

amistre64 · Answer

mode is 15 (most used value)

median is 13.5 (middle value)

mean is 13 (average value)

amistre64 · Answer

you are missing part of the information on 3

you counted less then 18 and got 21, thats good .. but its not all that its looking for.

36 and above is also requested.  sooo we need to add to this

amistre64 · Answer

let me know im not just talking to myself :)

amistre64 · Answer

the average cost is the total cost divided by the number of items bought, im not getting 575

amistre64 · Answer

a cant agree with any of your answers,  

(number of athletic boys) / (number of athletic shoes)

given that we athletic shoes, what percent of them are boys athletic shoes?