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Q. The measures used to calculate the variation present among the observations relative to their average is called:

Q. A Scatter diagram is considered for measuring

Q. The measurements of spread or scatter of the individual values around the central point is called:

Q. In quality control of manufactured items, the most common measure of dispersion is:

Q. In a bivariate sample, the sum of squares of differences between marks of observed values of two variables is 33 and the rank correlation between them is 0.8. Find the number of pairs of observations:

Q. Which of the following is a method of measuring trend:

Q. In Price Index Numbers prices can either be ?

Q. Past data has shown that the regression line relating the final exam score and the midterm exam score for students who take statistics from a certain professor is: final exam = 50 + 0.5 × midterm One interpretation of the slope is

Q. The general purchasing power of the currency of a country is determined by:

Q. Find the mode of the set (8, 5, 7, 10, 15, 21, 5, 7, 2, 5)