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) |
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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 |
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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 |
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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 |
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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 |
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6). By frequency distribution we mean the classification of data according to
A). dissimilarities |
B). similarities |
C). class intervals |
D). magnitude |
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7). Value of M.D. of{5, 5, 5, 5, 5} from Median is ,
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8). If y = 3 + 2x. then the coefficient of correlation between x and y is
A). -1 |
B). 0 |
C). 0.5 |
D). 1 |
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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 |
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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 |
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