1- Determine the mode for the data. Class interval 5.5-10.5 10.5-15.5 15.5-20.5 20.5-25.5 25.5-30.5 Frequency 10 15 18 9. 7 2- Calculate the Quartile Deviation (Q.D) and coefficient of Q.D. for the data below: ( 230 , 620 , 390 , 350 , 320 , 150) 3- Determine the Geometric Mean for the data below: X 100 200 300 400 500 Frequency 2 4 6. 8 10 4- Determine the mean by using short-cut method 60 61 62 63 64 65 60 Frequency 8 12 14 9 7 6 8.

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1- Determine the mode for the data.
Class interval
5.5-10.5
10.5-15.5
15.5-20.5
20.5-25.5
25.5-30.5
Frequency
10
15
18
9.
7
2- Calculate the Quartile Deviation (Q.D) and coefficient of Q.D. for the data
below:
( 230 , 620 , 390 , 350 , 320 , 150 )
3- Determine the Geometric Mean for the data below:
100
200
300
400
500
Frequency
2
4
6.
8.
10
4- Determine the mean by using short-cut method
X
60
61
62
63
64
65
60
Frequency
8.
12
14
9.
7
6.
8.
Transcribed Image Text:1- Determine the mode for the data. Class interval 5.5-10.5 10.5-15.5 15.5-20.5 20.5-25.5 25.5-30.5 Frequency 10 15 18 9. 7 2- Calculate the Quartile Deviation (Q.D) and coefficient of Q.D. for the data below: ( 230 , 620 , 390 , 350 , 320 , 150 ) 3- Determine the Geometric Mean for the data below: 100 200 300 400 500 Frequency 2 4 6. 8. 10 4- Determine the mean by using short-cut method X 60 61 62 63 64 65 60 Frequency 8. 12 14 9. 7 6. 8.
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