Find the mean 1,10,7,6,4,8 absolute devation

If 3x+8=3x+8 is it one solution or no solution

Three times the sum of a number and seven is negative thirty-six. what is the number?

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