AS A RESULT OF A PROLONGED ECONOMIC BOOM, TORONTO IS UNDERGOING SEVERAL CHANGES THAT ARE STARTING TO CAUSE SOCIAL AND ECONOMIC PROBLEMS. ONE SERIOUS PROBLEM IS THE LACK OF AFFORDABLE HOUSING FOR YOUNG PEOPLE. THE
HOUSING PRICES OVER A 12-MONTH PERIOD ARE SHOWN BELOW.
JAN $195,000 JUL $205,000
FEB 196,000 AUG 199,400
MAR 205,000 SEP 201,000
APR 210,000 OCT 197,000
MAY 212,000 NOV 192,000
JUN 210,000 DEC 190,000
A. GRAPH THE DATA IN A CHART. DESCRIBE THE TREND YOU SEE.
B. CALCULATE THE MEAN AND STANDARD DEVIATION.
C. CONSTRUCT A STEM AND LEAF DISPLAY OF THESE DATA.
D. CALCULATE THE RANGE AND MODE OF THESE DATA.
E. IF 195,000 IS CONSIDERED THE THRESHOLD FOR AFFORDABILITY, CAN WE CONCLUDE AT THE 5% LEVEL OF SIGNIFICANCE THAT THE THRESHOLD HAS INCREASED IN THIS PERIOD?