The Home News used the chart reproduced here in its September 29, 1991, issue to show the economic growth record for 12 different periods since World War II.

(a) Calculate the mean and the median.

(b) Calculate the standard deviation and mean absolute deviation.

(c) Calculate the Z scores and do related analysis.

Transcribed Image Text:

-4.9% Truman Eisenhower I Eisenhower II Kennedy Johnson Nixon I Nixon/Ford Carter Reagan I Reagan II Bush FDR/Truman 2.6% 2.3% 2.6% 2.1% 4.1% 3.2% 2.5% 1.5% 6.1% 5.3% 3.7%