Explore BrainMass

F-Ratio with Degrees of Freedom of 1 and 18.

A researcher who is evaluating the significance of a regression equation with one predictor variable obtains an F-ratio with df of 1 and 18. How many pairs of scores, x and y values, are in the data?

© BrainMass Inc. brainmass.com June 24, 2018, 3:30 am ad1c9bdddf

Solution Preview

Number of Groups = k
Sample Size = N

Degrees of Freedom for Between Treatments, df=(k-1)= 1