61). The sum of deviation taken from Arithmetic mean is
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62). The arithmetic mean of 21, 30, 33, 64 is
A). 35 |
B). 28 |
C). 37 |
D). 42 |
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63). In a symmetrical distribution
A). Mean > Median > Mode |
B). Mean < Median < Mode |
C). Mean = Median = Mode |
D). Mean > Median < Mode |
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64). The median of the first 42 natural numbers is
A). 21 |
B). 21.25 |
C). 21.5 |
D). 22 |
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65). The mean and mode of the following set of values are 66, 65, 61, 65, 66 60, 65
A). 62 and 63 |
B). 63 and 64 |
C). 64 and 65 |
D). 62 and 65 |
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66). Which two series of the following 3 series have the same mean Series 1: 10 10 12 10 9 5 7 Series 2:. 8 5 9 10 12 10 10 Series 3: 9 5 12 9 12 6 10
A). series 1 and series 2 |
B). series 1 and series 3 |
C). series 2 and series 3 |
D). none of these |
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67). The mode of the following data is 2, 3, 5, 3, 7, 3, 5, 2, 7, 3
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68). The prices of share during the seven days in a week are as follows: Price (in Rs.): 102 96 98 101 104 103 100 The Median value is
A). 104 |
B). 102 |
C). 101 |
D). 100 |
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69). The range of the given 'n' values is
A). \( \Large \frac{1}{2} \) standard deviation |
B). Maximum value-Mimmum value |
C). Standard deviatlon/mean |
D). None of these |
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70). Variance is
A). always negative |
B). may be positive or negative |
C). always positive |
D). none of these |
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