Stats 244.3 (03) - Test 1
September 20, 2006
Open Book Examination
ITable I.1 gives data for the mortality rate (number of deaths/year per 10,000) of males, age 60-70 in 24 randomly selected rural communities in Western Canada (Manitoba, Saskatchewan, Alberta and B.C.). Table I.2 gives data for the mortality rate of males, age 60-70 for 27 randomly selected rural communities in the Great Lakes basin.
TABLE I.1: Mortality rate of males age 60-70 for 24 randomly selected rural communities in Western Canada (Manitoba, Saskatchewan, Alberta and B.C.).
2.2 / 1.6 / 1.2 / 0.1 / 1.1 / 4.4 / 9.0 / 8.28.7 / 3.5 / 4.5 / 5.4 / 3.3 / 0.4 / 0.6 / 2.8
2.0 / 6.6 / 5.3 / 10.7 / 5.4 / 11.8 / 0.9 / 18.1
x = 117.8 x2 = 1021.22
TABLE I.2: Mortality rate of males age 60-70 for 27 randomly selected rural communities in the Great Lakes basin.
20.2 / 6.0 / 13.9 / 11.8 / 4.9 / 15.0 / 14.7 / 5.43.7 / 6.6 / 8.9 / 5.3 / 11.3 / 8.9 / 17.1 / 17.0
1.5 / 7.9 / 7.5 / 6.0 / 6.3 / 10.7 / 13.6 / 4.6
12.0 / 14.5 / 4.3
x = 259.6, x2 = 3113.56
1.Construct and identify the stem and leaf display for the Mortality rate of males age
60-70 for 24 randomly selected rural communities in Western Canada e
2.Construct and identify the stem and leaf display for the Mortality rate of males age
60-70 for 27 randomly selected rural communities in the Great Lakes basin. b
Choices for 1. and 2.
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Stats 244.3 (03) - Test 1September 20, 2006
3.Determine the mean Mortality rate of males age 60-70 for 24 randomly selected rural communities in Western Canada. c
4.Determine the median Mortality rate of males age 60-70 for 27 randomly selected rural communities in the Great Lakes basin. h
5.Determine the median Mortality rate of males age 60-70 for 24 randomly selected rural communities in Western Canada. b
6.Determine the mean Mortality rate of males age 60-70 for 27 randomly selected rural communities in the Great Lakes basin. i
7.Determine the lower Quartile Mortality rate of males age 60-70 for 24 randomly selected rural communities in Western Canada. a
8.Determine the upper Quartile Mortality rate of males age 60-70 for 27 randomly selected rural communities in the Great Lakes basin. j
9.Determine the upper Quartile Mortality rate of males age 60-70 for 24 randomly selected rural communities in Western Canada. f
10.Determine the lower Quartile Mortality rate of males age 60-70 for 27 randomly selected rural communities in the Great Lakes basin. e
Choices for 3. and 10.
11.Determine the inter-quartile range (IQR) of Mortality rate of males age 60-70 for the 24 randomly selected rural communities in Western Canada. d
12.Determine the standard deviation (s) of the Mortality rate of males age 60-70 for the 27 randomly selected rural communities in the Great Lakes basin. c
13.Determine the pseudo standard devaition (PSD) of the Mortality rate of males age 60-70 for the 27 randomly selected rural communities in the Great Lakes basin. e
14.Determine the variance (s2 ) of the Mortality rate of males age 60-70 for the 24 randomly selected rural communities in Western Canada. i
15.Determine Range of the Mortality rate of males age 60-70 for the 24 randomly selected rural communities in Western Canada. g
Choices for 11. to 15.
16.Construct and identify the box and whisker display for the Mortality rate of males age 60-70 for 24 randomly selected rural communities in Western Canada. e
17.Construct and identify the box and whisker display for the Mortality rate of males age 60-70 for 27 randomly selected rural communities in the Great Lakes basin. c
Choices for 16. and 17.
Determine if statements 18., 19. and 20. are a) TRUE or b) FALSE
- If the median of X is greater than the mean of X than the distribution of X is positively skewed. b
- For Normal populations the median and the mean are approximately equal. a
- The median and the Inter-quartile range are measures of variability in a population. b
The End
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