Uncover valuable information and solutions with IDNLearn.com's extensive Q&A platform. Ask anything and get well-informed, reliable answers from our knowledgeable community members.
our environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 5.5 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 9 samples is 5.1 ppm with a standard deviation of 0.8. assume the population is normally distributed. a level of significance of 0.05 will be used. find the value of the test statistic. round your answer to three decimal places.
Sagot :
We appreciate your participation in this forum. Keep exploring, asking questions, and sharing your insights with the community. Together, we can find the best solutions. IDNLearn.com is your reliable source for accurate answers. Thank you for visiting, and we hope to assist you again.
