The table below shows the low temperatures over the last few days in Compton, CA. 1. On which day was the low temperature the coldest?
Day
Low temperature (°F)
Wednesday
6.
2. On which day was the low temperature furthest from zero?
Thursday
Friday
2
3. The low temperature on Monday was 1°F, and the low
temperature on Tuesday was -3°F. On which weekday was
the low temperature closest to zero?

Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables