निम्नलिखित बारंबारता वितरण आंकड़ों का माध्य (दो दशमलव स्थानों तक सही) ज्ञात कीजिए: चर | बारंबारता 15-25 | 425-35 | 1135-45 | 1945-55 | 1455-65 | 065-75 | 2

In a moderately skewed distribution, if Mean = 12 and Median = 8, then using Empirical relation (Mode = 3 Median - 2 Mean), what is the value of Mode?

If 4y - 5x = 15 is the regression line of y on x and the coefficient of correlation between x and y is 0.75, what is the value of the regression coefficient of x on y (bxy)?