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- 1. Multiple Choice
The mid-value of a class interval is 42. If the class size is 10 then the upper and lower limits of the class are
47 and 37
37 and 47
47.5 and 37.5
37.5 and 47.5
- 2. Multiple Choice
If the arithmetic mean of 7,5,13,x, and 9 is 10, then the value of x is?
10
12
14
16
- 3. Multiple Choice
The median of the first 4 whole numbers is
1/2
3/2
5/2
7/2
- 4. Multiple Choice
The mean value of factors of 45 is
14
13
23
24
- 5. Multiple Choice
The mean of 100 observatuions is 75.If one of the observation which was 60 is replaced by 120,the resulting mean will be
80
85.5
75.6
80.6
- 6. Multiple Choice
In the class interval 5-10, 10-15 ,15-20 the number 10 is included in
5-10
10-15
15-20
none of these
- 7. Multiple Choice
The middle value of the class 70-120 is
70
100
95
120
- 8. Multiple Choice
If the range and maximum value of the obsevations are 48 and 110 then the minimum value is
48
148
62
110
- 9. Multiple Choice
If the arithmetic mean of 10 numbers is 85 then their sum is
85
850
more than 850
between 85 and 850
- 10. Multiple Choice
The value which occurs frequently in data is called
Mean
Median
Mode
Range
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