What is the shape of the following distribution? {9, 10, 10, 11, 11, 12, 12, 13, 13, 13, 14, 14, 14, 14, 15, 15, 15, 15, 16, 16, 16, 16, 17, 17, 17, 17, 18, 19, 20
A.negative skew
B.postive skew
C.symmetric
D.asymmetric with no skew
E.none of the above

Question

What is the shape of the following distribution?  {9, 10, 10, 11, 11, 12, 12, 13, 13, 13, 14, 14, 14, 14, 15, 15, 15, 15, 16, 16, 16, 16, 17, 17, 17, 17, 18, 19, 20
A.negative skew
B.postive skew
C.symmetric
D.asymmetric with no skew
E.none of the above

anonymous · Answer

@amistre64 Is it d or e?

anonymous · Answer

I am leaning more towards E.

amistre64 · Answer

its best to make a stem and leaf plot, itll mimic the shape

anonymous · Answer

http://assets.openstudy.com/updates/attachments/52a0da3de4b0d45cde222cd9-wolf1728-1386275593100-graph.jpg Wouldn't this go under none of the above though?

amistre64 · Answer

9, 10, 10, 11, 11, 12, 12, 13, 13, 13, 14, 14, 14, 14, 15, 15, 15, 15, 16, 16, 16, 16, 17, 17, 17, 17, 18, 19, 20

29/4

    4          2         2          3
9----13----15----17-----20


the box plot is fairly symmetric

amistre64 · Answer

you cant try to match a curve to it, you have to visualize it without the curve

anonymous · Answer

So my bext possible answer is c. symmetric?

amistre64 · Answer

over all, im not going to say i know for sure which one to pick

amistre64 · Answer

median is 15, whats our mean?

amistre64 · Answer

mean   median 
14.5       15

the mean has a slight negative position to the median.

amistre64 · Answer

|dw:1430280887417:dw|

if i had to pick one, and i dont .... id guess a negative skew