| 1 |
Which pair of measures cannot be calculated when one of numbers in the seriesis zero. |
- A. G.M and A.M
- B. G.M and H.M
- C. H.M and A.M
- D. None of these
|
| 2 |
The mid value of the arrayed data is called |
- A. Median
- B. Mode
- C. Mean
- D. Geometric mean
|
| 3 |
The sum of the deviation form mean of a set of an value is |
- A. least
- B. 0
- C. positive
- D. None of these
|
| 4 |
Is a symmetrical distribution. |
- A. Q1 = Q3
- B. P25 = P50 = P75
- C. A.M = G.M = H.M
- D. A.M = Med = Mode
|
| 5 |
The mean of the first n natural numbers is. |
- A. n(n+1)2
- B. (n+1)/2
- C. (n-1)/2
- D. n/2
|
| 6 |
The estimate of population means is represented by |
- A. μ
- B.
- C.
- D. <span style="color: rgb(0, 0, 0); font-family: 'Lucida Sans Unicode', 'Lucida Grande', sans-serif; font-size: 18px; line-height: 23.390625px;">Ψ</span>
|
| 7 |
If the mean is less than mode, the distribution is. |
- A. Positively skewed
- B. Negatively skewed
- C. Symmetrical
- D. None of these
|
| 8 |
When referring to a curve that tails off to the left end, you would callit. |
- A. Symmetrical
- B. Skewed to the right
- C. Positively skewed
- D. None of these
|
| 9 |
The letter used as a symbol for population mean is |
- A. μ<sub>-</sub>
- B. Φ
- C. x
- D. σ
|
| 10 |
Which is appropriate averege for finding the average speed of a journey. |
- A. Mean
- B. Geometric mean
- C. Harmonic mean
- D. Weighted mean
|