Identify which procedure should be used in each of the following hypothetical examples. A union representative wants to estimate how much is evaluating a soil treatment chain wants to estimate how...

Extracted text: Identify which procedure should be used in each of the following hypothetical examples. A union representative wants to estimate how much is evaluating a soil treatment chain wants to estimate how determine how much higher time the union workers spend commuting to work each day. She surveys a simple random sample of 60 after the treatment. She union workers and asks them takes 30 soil samples from how many minutes they spend commuting to and from work on an average An environmental scientist The owner of supermarket A marketing analyst wants to for acid rain and wants to much of the produce her the proportion of graduate determine if the pH of the suburban stores throw out in students who drink coffee is soil of a test site is higher one week. She knows that, compared to the proportion across all of her stores, the of undergraduate college population standard students that drink coffee. random locations around the deviation of the percentage He selects a simple random test site before the treatment of produce that is thrown out sample of 55 graduate is 6.3 pounds. She selects a and an additional 30 soil students and 54 day. She assumes that the samples from random simple random sample of 16 undergraduate students and population distribution of commute times is normally distributed, but she does not locations after the suburban grocery stores and finds that 37 of the remediation. records the amount of undergraduate students and produce that was thrown out 33 of the graduate students know the population standard deviation. last week. are coffee drinkers. one-sample r-test two-sample t-test for two independent means one-sample z-test two-sample z-confidence for a mean for a proportion interval for two proportions Answer Bank one-sample z-confidence matched-pairs t-test one-sample t-confidence interval for a mean for two dependent means interval for a mean one-sample z-confidence two-sample z-test two-sample 1-confidence one-sample z-test interval for a proportion for two proportions interval for two means for a mean two-sample z-test for two independent means Incorrect