51. Which of the following is studied in statistics?
52. Match the following.
List-I
List-II
a. Positive correlation
1. When two or more variables are involved and they are to be studied in relation to their relationship with one another
b. Multiple correlation
2. When ratio of change between two variables is uniform
c. Linear correlation
3. When relationship of two variables is studied by eliminating the effect of other variables from both
d. Partial correlation
4. When movement of variables take place in same direction
| List-I | List-II |
| a. Positive correlation | 1. When two or more variables are involved and they are to be studied in relation to their relationship with one another |
| b. Multiple correlation | 2. When ratio of change between two variables is uniform |
| c. Linear correlation | 3. When relationship of two variables is studied by eliminating the effect of other variables from both |
| d. Partial correlation | 4. When movement of variables take place in same direction |
53. There are 1000 people living in a colony in which the number of educated people is 450 and the number of employed people is 300. 160 out of employed people are educated. The number of uneducated unemployed in the colony is
54. Which of the following sampling methodology statements do you agree with?
55. The population mean μ is called:
56. Which statistical test should be applied to test the effectiveness of 'special coaching' on the marks scored by the students?
57. Obtaining too many males in your sample would be an example of which of the following types of survey errors?
58. Probability of rejecting the null hypothesis when it is true, is called
59. Among the following, choose the most suitable 'test' that can be applied to examine the influence of one factor on different groups
60. With reference to dispersion, which of the following statement is/are correct?
(1) Relative measures of dispersion are independent of units of measurement of data
(2) Standard deviation can be negative
Choose the correct answer from the options given below
(1) Relative measures of dispersion are independent of units of measurement of data
(2) Standard deviation can be negative
Choose the correct answer from the options given below
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- Business Statistics and Research Methods - Section 1
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- Business Statistics and Research Methods - Section 12