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Q. What is the purpose of a simple linear regression?

Q. Index nos. are often constructed from the

Q. In regression, the equation that describes how the response variable (y) is related to the explanatory variable (x) is:

Q. The second and fourth moments about mean are 4 and 48 respectively, then the distribution is:

Q. If each observation of the data is increased by 5, then what happens to its mean?

Q. Index number calculated by Fisher's formula is ideal because it satisfy:

Q. The coefficient of variation cannot be meaningfully used to compare the variability of two or more sets of data, when

Q. Bowley's coefficient of skewness lies between:

Q. Which of the following is a unit free measure of dispersion:

Q. In the quartiles, the central tendency median to be measured must lie in