Author Question: Simple random sampling differs from systematic sampling because: A) subjects are selected using a ... (Read 67 times)

karen · **on:** Jul 8, 2018

Simple random sampling differs from systematic sampling because:

A) subjects are selected using a table of random numbers
B) subjects volunteer for either a control or experimental group
C) subjects are selected by choosing every 10th person
D) all subjects are selected for inclusion in the study

Question 2

Simple regression is sometimes called ordinary least-squares regression because the equation:

a. Requires information about r squared
b. Minimizes the value of r squared
c. Is equal to the sum of squared prediction errors
d. Minimizes the sum of squares of prediction errors