Correlation Tes...

If r is near to zero (i.e.) 0.1,-0.1, (or) 0.2 there is

The diagrammatic representation of two variables is called _________

Who was a great biometrician and statistician?

Formula for calculating correlation from the assumed mean method is

Which method of measuring correlation measures any type of relationship?

Rank Correlation was found by

If paired scores occupy the same positions within their own distributions (high with high and low with low)

Which of the following is not a use for r?

Study of price and demand eliminating supply side

If rxy = ryx, correlation between x and y is

Calculate the correlation coefficient between x and y and comment on their relationship

Calculate the correlation coefficient between x and y and comment on their relationship

Cov (x,y) = 18.6; var(x) = 20.2; var(y) = 23.7. Find ‘r’.

When the correlation is only studied between two variables it is called

A researcher finds the value of correlation coefficient to be .40 between personal income and the number of years of college completed. Based upon this finding he can conclude that

If r_xy = −0.85 then r_yx = ?

Number of pairs of observations of x and y series = 10
X series: Arithmetic average = 65
Standard deviation = 23.33
Y series: Arithmetic average = 66
Standard deviation = 14.9
Summation of products of corresponding deviation of X and Y series = + 2704
Calculate product moment correlation of x and y series.

Correlation coefficient is denoted by

The relationship between three or more variables is studied with the help of _________ correlation

When r = 1, there is perfect

Which of the following may have an adverse effect on the correlation coefficient?

Degree of Correlation Between + 0.25 and + 0.75 is

Multiple correlation is

Correlation coefficient is independent of change of

A perfect negative correlation is signified by