How many Active Researchers and Statisticians are there 400 years ago?

In 1662, he observed that percentages of death from suicides, accidents and various diseases remained remarkable throughout the years.

In 1773, he discovered the equation of the normal distribution.

He made the derivation from the study of errors in repeated measurements which he called Gaussian Distribution.

These two developed the theory of regression and correlation.

Sir Francis Galton was born and died on?

Karl Pearson was born and died on?

The Father of Modern Statistics who established a commission dor statistics which bacame a model for many organizations of statisticians.

He developed the Small-Sample Theory.

He further developed the Small-Sample Theory by William S. Gosset in the 20th century.

It is always denoted by a “sigma” symbol.

TABLE Give me the formula on getting the “x”.

Give me the formula on getting the Relative Frequency (rf).

Give me the formula on getting the percentage (%).

Give me the formula on getting the Lower Boundary (LB) and Upper Boundary (UB).

On getting the f>, we should first copy the N (total of all the frequencies) and what?

On getting the f<, we should first copy the 1st frequency and then what?

Give me the formula on getting the Pie Sector.