1 |
In a set of data 41,43,47,51,57,52 ,59 median is: |
- A. 51
- B. 47
- C. 52
- D. None of these
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2 |
The spread or scatierness of observations in a data set is called. |
- A. Average
- B. Dispersion
- C. Central tendency
- D. Quartile
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3 |
Variance is denoted by........................... |
- A. V
- B. S
- C. S<sup>2</sup>
- D. X
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4 |
The size of class interval (6-10) is. |
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5 |
An ______________ is defined as the union of two non-col-linear rays with some common end point: |
- A. angle
- B. vertex
- C. initial side
- D. terminal
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6 |
The mean of the squared deviations of X observations from their arithmetic mean is called. |
- A. Variance
- B. Standard deviation
- C. Range
- D. Harmonic mean
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7 |
D° M' S"form of 45.36° is: |
- A. 45° 21" 36'
- B. 45' 21'° 36"
- C. 45° 21' 36''
- D. 45'' 21' 36°
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8 |
In a circle radius 10 what is the length of are intercepted by a central angle of 60°: |
- A. π/3m
- B. 3/10πm
- C. 10π/3m
- D. π/30m
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9 |
If θ lies in 2nd (second) quadrant then sin θ and cosecθ are: |
- A. negative
- B. positive
- C. zero
- D. undefined
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10 |
The arrangement of data is necessary to find the value of. |
- A. Mean
- B. Median
- C. Mode
- D. Range
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