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Q. When the price of a divided by the price of the preceding year, we, get:

Q. For a symmetrical distribution Q1=25, Q3=45, the median is

Q. The percent of total variation of the dependent variable Y explained by the set of independent variables X is measured by:

Q. The coefficient of determination must be

Q. The value of the correlation coefficient lies between

Q. The degree to which numerical data tend to spread about an average value called:

Q. Half of the difference between upper and lower quartiles is called:

Q. The most appropriate average in averaging the price relatives is:

Q. The maximum value of the Rank Correlation coefficient is

Q. What is the value of the first quartile for observations 15, 18, 10, 20, 23, 28, 12, 16?