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Q. The ratio of price of single commodity in a given period to its price in another period is called the
Correct Answer - Option(A)
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Q. Branches of statistics includes
Q. The value of a correlation is reported by a researcher to be r = −0.5. Which of the following statements is correct?
Q. The sample coefficient of correlation
Q. Index no. for the base period is always taken as
Q. For a symmetrical distribution:
Q. The rank correlation coefficient of a debating contest involving 10 participants was calculated as 0.6. However, it was later discovered that the difference in the ranks of some participants was read as 8 instead of 3. Find the correct correlation coefficient:
Q. In regression, the equation that describes how the response variable (y) is related to the explanatory variable (x) is:
Q. In statistics out of 100, marks of 21 students in final exams are as 90, 95, 95, 94, 90, 85, 84, 83, 85, 81, 92, 93, 82, 78, 79, 81, 80, 82, 85, 76, 85 then mode of data is
Q. If the regression line is Y on X, then the variable X is known as..........................
Q. The measurements of spread or scatter of the individual values around the central point is called:
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