frequency distribution .........

m777 · #1 $Old$ March 20th, 2007, 03:17 AM

question:For the frequency distribution given below:

Length of Service

7.5-7.9
8.0-8.4
8.5-8.9
9.0-9.4
9.5-9.9
10.0-10.4

No. of employees
6
22
36
18
14
4

Calculate:

(i) Cumulative frequencies
(ii) Class boundaries
(iii) Relative frequencies
(iv) Mid points
(v) Arithmetic Mean

CaptainBlack · #2 $Old$ March 20th, 2007, 03:04 PM

Quote:

Originally Posted by m777 $View Post$

question:For the frequency distribution given below:

Length of Service

7.5-7.9
8.0-8.4
8.5-8.9
9.0-9.4
9.5-9.9
10.0-10.4

No. of employees
6
22
36
18
14
4

Calculate:

(i) Cumulative frequencies
(ii) Class boundaries
(iii) Relative frequencies
(iv) Mid points
(v) Arithmetic Mean

(i) Cumulative frequencies

Code:

LoS     Cue   Rel Cue
7.4       0       0.00
7.9       6       0.06
8.4      28       0.28
8.9      64       0.64
9.4      82       0.82
9.9      96       0.96
10.4    100       1.00

(iii) Relative frequencies

Code:

 
 LoS           RelFreq
7.5-7.9         0.06
8.0-8.4         0.22
8.5-8.9         0.36
9.0-9.4         0.18
9.5-9.9         0.14
10.0-10.4      0.04

m777 · #3 $Old$ March 23rd, 2007, 04:16 AM

Hello,
captain black plz check my work.thanks