| 1 |
In a cumulative frequency Polygon frequencies are plotted against: |
- A. Mid points
- B. Upper class boundries
- C. Class limits
|
| 2 |
One minute is denoted by: |
- A. 1'
- B. 1''
- C. 1°
- D. 60'
|
| 3 |
Harmonic mean for 1,2,5,8,4 is.................... |
- A. 6.08
- B. 5.08
- C. 7.08
- D. 4.08
|
| 4 |
The positive square root of mean of the squared deviations of x<sub>i</sub>(i=1, 2---------------------,n) observations from their arithmetic mean is called: |
- A. Harmonic mean
- B. Range
- C. Standard deviation
|
| 5 |
A cumulative frequency curve is also called: |
- A. Histogram
- B. Pie chart
- C. Ogive
- D. Frequency polygon
|
| 6 |
In the given set of data 5,5,5,5,5,5,5 the standard deriation is: |
- A. 5
- B. 0
- C. 7
- D. None of these
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| 7 |
A cumulative frequency table is also called: |
- A. Frequency distribution
- B. Data
- C. Less than cumulative frequency distribution
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| 8 |
Mean is affected by change in .......... |
- A. Place
- B. Scale
- C. Rate
- D. None of these
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| 9 |
The mean of the squared deviations of x<sub>i</sub> (i = 1, 2, -----------------,n) observations form their arithmetic mean is called: |
- A. Variance
- B. Standard deviation
- C. Range
|
| 10 |
Standard deviation is denoted by |
- A. x
- B. S
- C. S<sup>2</sup>
- D. X<sup>2</sup>
|