Apopular weight-loss company advertises that those who join will lose, on average at least 10 pounds in the first 2 weeks. to check the claim, a random sample of 35 customers was taken and it showed a sample mean weight loss of 8.75 pounds. assume that the population standard deviation of weight loss is 2.8 pounds. at a 1% level of significance, test to see if the company’s claim is valid. what is your conclusion?

Identify the statement below as either descriptive or inferential statistics. upper a certain website sold an average of 117 books per day last week. is the statement an example of descriptive or inferential statistics? a. it is an example of descriptive statistics because it uses a sample to make a claim about a population. b. it is an example of inferential statistics because it uses a sample to make a claim about a population. c. it is an example of inferential statistics because it summarizes the information in a sample. d. it is an example of descriptive statistics because it summarizes the information in a sample.