# Iterquartile Range?, Median & Mode?, Symmetrical?

• Jan 17th 2008, 01:27 AM
cu4mail
Iterquartile Range?, Median & Mode?, Symmetrical?
HI All, plz help me solving these..

For the set of data of 20 observations
32, 30, 24, 24, 36, 33, 29, 29, 30, 28
57, 52, 51, 49, 55, 54, 50, 48, 53, 56

a) Find interquartile range, Quartile deviation.
b) Also find out the median and mode by using excel operations.
c) Is data perfectly symmetrical or not .Give answer with arguments?

thnx
• Jan 17th 2008, 05:30 AM
CaptainBlack
Quote:

Originally Posted by cu4mail
HI All, plz help me solving these..

For the set of data of 20 observations
32, 30, 24, 24, 36, 33, 29, 29, 30, 28
57, 52, 51, 49, 55, 54, 50, 48, 53, 56

a) Find interquartile range, Quartile deviation.
b) Also find out the median and mode by using excel operations.
c) Is data perfectly symmetrical or not .Give answer with arguments?

thnx

First sort the data into ascending or decending order.

RonL
• Jan 17th 2008, 06:30 AM
cu4mail
Quote:

Originally Posted by CaptainBlack
First sort the data into ascending or decending order.

RonL

24
24
28
29
29
30
30
32
33
36
48
49
50
51
52
53
54
55
56
57

Sorted in Ascending Order
• Jan 17th 2008, 08:00 AM
CaptainBlack
Quote:

Originally Posted by cu4mail
24
24
28
29
29
30
30
32
33
36
48
49
50
51
52
53
54
55
56
57

Sorted in Ascending Order

24
28
29
29
30
------- 1st quartile 30
30
32
33
36
48--------median
49
50
51
52
------- 3rd quartile 52.5
53
54
55
56
57

RonL
• Jan 18th 2008, 05:28 AM
cu4mail
Quote:

Originally Posted by CaptainBlack
24
28
29
29
30
------- 1st quartile 30
30
32
33
36
48--------median
49
50
51
52
------- 3rd quartile 52.5
53
54
55
56
57

RonL

Thanks! Ront

• Jan 18th 2008, 06:37 AM
CaptainBlack
Quote:

Originally Posted by cu4mail
Thanks! Ront