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Q. If the quartile range is 24 then the quartile deviation is:

Q. If the growth rate is constant, the trend is –

Q. What is the median of the data 78, 56, 22, 34, 45, 54, 39, 68, 54, 84?

Q. If there are many extreme scores on all examination, the dispersion is:

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. The measures used to calculate the variation present among the observations in the unit of the variable is called:

Q. Find the mean of x + 77, x + 7, x + 5, x + 3 and x – 2?

Q. Let the coefficient of determination computed to be 0.39 in a problem involving one independent variable and one dependent variable. This result means that:

Q. Find the mode of the Set = {1,3,3,6,9}

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