2. During the pandemic people have become more health conscious, especially in eating red meat. In March, the average consumption of red meat per person was 51 kilos. A sample of 100 persons showed...

Hello can you please explain how do you obtain the critical value using a table in a step-by-step way since there are too many numbers in the table and it is confusing using this problem. Thank you.

Just the critical value and how to search it from a table thank you

Extracted text: 2. During the pandemic people have become more health conscious, especially in eating red meat. In March, the average consumption of red meat per person was 51 kilos. A sample of 100 persons showed that they consumed, on average, 48 kilos of red meat in April with a standard deviation of 12 kilos. Using a = 0.05, is there enough evidence to conclude that the mean consumption of red meat decreased in April.