| 1 |
The most frequently occurring observation in a data set is called. |
- A. Mode
- B. Median
- C. Harmonic mean
- D. Mean
|
| 2 |
Formula <i>l</i>=rθ is true only when θ is in: |
- A. degree
- B. radian
- C. revolution
- D. minute
|
| 3 |
Types of dispersion are......................... |
|
| 4 |
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
|
| 5 |
A Deviation is defined as a difference of any value of the variable from a: |
- A. Constant
- B. Histogram
- C. Sum
|
| 6 |
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
|
| 7 |
A deviation is defined as a difference of any value of the variable from a. |
- A. Constant
- B. Historgram
- C. Sum
- D. Product
|
| 8 |
∑▒〖(x-〗 x ̅)=…………. |
|
| 9 |
In a set of data, the difference between highest value and lowest value is called: |
- A. Standard deriation
- B. Range
- C. Dispersion
- D. All of these
|
| 10 |
A frequency polygon is a many sided: |
- A. Closed figure
- B. Rectangle
- C. Square
|
