13 I noticed that the prices of avocados increased lately A

Last updated: 5/26/2023

13 I noticed that the prices of avocados increased lately A few weeks ago the price for one regular avocado was on average 0 89 Below are prices in for one avocado at several randomly selected supermarkets 1 20 1 10 0 99 1 12 1 50 1 29 1 39 0 98 At 0 05 are the average process actually higher now Test using a a hypothesis test b confidence interval