Who stated that statistics as a science of estimates and probabilities.

(a)

Horace Secrist

(b)

R.A Fisher

(c)

Ya-Lun-Chou

(d)

Boddington

Sources of secondary data are______

(a)

Published sources

(b)

Unpublished sources

(c)

Neither published nor unpublished sources

(d)

Both (a) and (b)

The data collected by questionnaires are_______

(a)

Primary data

(b)

Secondary data

(c)

Published data

(d)

Grouped data

A measure of the strength of the linear relationship that exists between two variables is called:

(a)

Slope

(b)

Intercept

(c)

Correlation coefficient

(d)

Regression equation

The term regression was used by:

(a)

Newton

(b)

Pearson

(c)

Spearman

(d)

Galton