Jen measured the growth of a sunflower in one week it grew 2 and 1 half in
in week two it grew 2 and 3 fourth in
on week 3 it grew 3 and 1 fourth in how much did it grow in the 3 week s
try to explain

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