In the following frequency distribution: Height (in cm)Number of students140 - 14513145 - 15015150 - 1559155 - 16010160 - 1658165 - 1705 The sum of the upper limit of the modal class and the lower limit of the median class is:

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)?