Question
Monthly sales data (in units) shows the following trend-adjusted ratios for three months: January (1.1), February (0.9), and March (1.0). What is the average seasonal index for this quarter?
This question was previously asked in
SSC CGL 2024 (Tier-I) Previous Year Paper (17-Sep-2024) (Shift 3)
The correct answer is
1.0
The seasonal index is calculated by averaging the trend-adjusted ratios for the months in the quarter.
Average Seasonal Index = (1.1 + 0.9 + 1.0) / 3 = 3.0 / 3 = 1.0
Thus, the average seasonal index for this quarter is 1.0.
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Important Questions from Statistical Averages
Let X be a real-valued random variable with E[X] and E[X2] denoting the mean values of X and X2, respectively. The relation which always holds is
Two continuous random variables X and Y are related as
Y = 2X + 3
Let \(\sigma_X^2\) and \(\sigma_Y^2\) denote the variances of X and Y, respectively. The variances are related as
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