waterlootemp
31. High and Low Temperatures. The University of Waterloo Weather Station tracks the daily low and high temperatures in degrees Celsius in Waterloo, Ontario, Canada. The table contains a random sample of the daily high and low temperatures for 10 days in calendar year 2010. Test whether the population median of the difference in price differs from zero, using level of significance .
| Day | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| High | 9.4 | 6.1 | 5.9 | 29.1 | 11.9 | 30.6 | 23.1 | 33.1 | 14.8 | 0.1 |
| Low | 0.8 | −8.9 | −1.3 | 19.3 | 6.7 | 21.5 | 10.5 | 18.7 | 7.4 | −9.9 |