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Quiz 1 Answers
1. High school rank
Temperature in Fahrenheit
Weight in pounds
Ordinal
Interval
Ratio
2. b) the group of people you measure
3. d) Inferential statistics
4. a) real upper limit
5. c) Independent
6. (half mark each)
1. verbal label for X-axis that says “Birth Order”
2. numerical label for X-axis that goes from 1 to at least 5
3. verbal label for Y-axis that says “Frequency” or “Number of people”
4. numerical label for Y-axis that goes from 0 to at least 12
5. numerical labels for X-axis and Y-axis are evenly spaced (and the distance on the Xaxis from 0 to 1 is the same as the distance from 1 to 2, regardless of whether or not
you labeled 0 on the X-axis.)
6. dots are drawn
7. dots have been joined by straight lines
8. graph is right shape for the data (note, line should be drawn to the 0 frequency for a
birth order of 4)
7. a) positively skewed
8. e) 175
9. Mean 3
Median 1
Mode 1
10. Raw data is 13, 20, 31, 31 (Each missing value minus 0.5 and each extra value minus 0.5,
with a minimum score of 0)
From your formula sheet:
11. Histogram of positively skewed data, showing the rough location of the mean, median, and
mode, and with a label saying that this is positively skewed. (1 mark)