From the following data, find
Regression equations.

From the following data find regression equation of y on x, Sigma x= 55, Sigma y= 88, Sigma x^(2)= 385, Sigma y^(2) = 1114, Sigma xy= 586,n= 10

From the following data, find () regression coefficients (ii) regression equations.

You are given the following data, obtain the regression equation and estimate the yield of crops when the rainfall is 29cm. Given that coefficient of correlation between yield and rainfall= 0.52

Prepare a continuous grouped frequency distribution from the following data Also, find the size of class intervals.

Find the standard deviation from the following datas, using assumed mean:

Find the standard deviation from the following datas, using assumed mean:

Find the equation of lines regression from the following data : Correlation of coefficient = (2)/(3)

Find the consumer price index for 2018 on the basis of 2015 from the following data using a weighted average price relative method.

Find the mean deviation from the mean of the following data, using the step deviation method.