A computer software package was used to calculate some numerical summaries of a sample of data. The results are displayed here: Variable N Mean SE Mean StDev Variance 34 46.988 3.786 Fill in the missing quantities. Round your answers to three decimal places (e. g. 98.765). What is the estimate of the mean of the population from which this sample was drawn

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