1). Consider the following statements:
Assertion (A) : Median of {7, 2, 12. 5, 9} is 7.
Reason (R) : The middle most value of a data is called median.
Now select your answer according to the
coding scheme given below :
| A). (A) is true, (but (R) is false |
| B). (A) alone is true |
| C). (R) alone is true |
| D). Both (A) and (R) are true and (R) is the correct explanation of (A) |
|
| 2). Match List I with List II correctly and select your answer using the codes given below: | List I | List II | | Correlation coefficient | Mean=Median=Mode | | Coeffcient of variation | Least | | For a symmetrical | Percentage Variation | | Mean deviation from Median | Cannot exceed unity |
| A). 4 3 2 1 |
| B). 4 2 3 1 |
| C). 4 3 1 2 |
| D). 3 4 2 1 |
|
3). Which one of the following is correctly matched?
| A). Harmonic mean - A measure of skewness |
| B). Mean deviation - An average |
| C). Analysis - An arrangement of data |
| D). Sales and profit - Positive correlation |
|
4). Which one of the following is correctly matched?
| A). Data - A collection of objects |
| B). Mode - A well defined measure |
| C). Range - Difference between the largest and the smallest items of a data |
| D). Q.D. - A best measure of dispersion |
|
5). The average of three numbers is 135. The largest number is 180 and the difference of the other two is 25. The smallest number is
| A). 130 |
| B). 125 |
| C). 120 |
| D). 100 |
|
6). By frequency distribution we mean the classification of data according to
| A). dissimilarities |
| B). similarities |
| C). class intervals |
| D). magnitude |
|
7). Value of M.D. of{5, 5, 5, 5, 5} from Median is ,
|
8). If y = 3 + 2x. then the coefficient of correlation between x and y is
| A). -1 |
| B). 0 |
| C). 0.5 |
| D). 1 |
|
9). Which one of the following measures cannot be computed for {2, 7, 5, 10, 4}?
| A). Mean |
| B). Median |
| C). Mode |
| D). Harmonic Mean |
|
10). Consider the following statements:
Assertion (A) : Histogram is a graphical presentation of data.
Reason (R) : Statistical data can be represented in the form of graphs.
Now select your answer according to the coding scheme given below :
| A). Both (A) and (R) are true |
| B). Both (A) and (R) are false |
| C). (A) is true, but (R) is false |
| D). (A) is false, but (R) is false |
|
