51. The correlation coefficientis used to determine:
52. Weighted averages are considered when
53. "Statistics is the king of sciences" who said?
54. Which one relation is not true?
55. Two common forms of statistical inference are
56. Match the following.
List-I
List-II
a. $${\beta _1}$$
1. $${\beta _2} - 3$$
b. $${\beta _2}$$
2. $$\frac{{\mu _3^2}}{{\mu _2^3}}$$
c. $${\gamma _1}$$
3. $$\frac{{{\mu _4}}}{{\mu _2^2}}$$
d. $${\gamma _2}$$
4. $$\sqrt {{\beta _1}} $$
| List-I | List-II |
| a. $${\beta _1}$$ | 1. $${\beta _2} - 3$$ |
| b. $${\beta _2}$$ | 2. $$\frac{{\mu _3^2}}{{\mu _2^3}}$$ |
| c. $${\gamma _1}$$ | 3. $$\frac{{{\mu _4}}}{{\mu _2^2}}$$ |
| d. $${\gamma _2}$$ | 4. $$\sqrt {{\beta _1}} $$ |
57. If Σx = 12, Σy = 42, Σx2 = 46, Σy2 = 542, Σxy = 157 and n = 4, find the correlation coefficient.
58. If two events (both with probability greater than 0) are mutually exclusive, then:
59. When the regression coefficient is positive the other will be
60. In a normal distribution the points of inflexion occur at . . . . . . . .
Read More Section(Business Statistics and Research Methods)
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- Business Statistics and Research Methods - Section 1
- Business Statistics and Research Methods - Section 2
- Business Statistics and Research Methods - Section 4
- Business Statistics and Research Methods - Section 5
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- Business Statistics and Research Methods - Section 11
- Business Statistics and Research Methods - Section 12