Which type of data provides information that has been collected by other than the researcher for a purpose other than the current research project?

To standardize a scale Xi, we first subtract the mean, , from each score and divide by the standard error, S

Indicate whether the statement is true or false

Rank the order of standard deviation of returns from highest to lowest for the following classes of U.S. securities for the time period 1926 - 2011

A) small stocks, large stocks, 30-year Treasury bonds, and 90-day T-bills B) large stocks, small stocks, 30-year Treasury bonds, and 90-day T-bills C) 90 -day T-bills, large stocks, 30-year Treasury bonds, small stocks D) 30-year Treasury bonds, large stocks, small stocks, 90-day T-bills