Use the method of hypothesis testing to determine if Ryan should conclude his saplings are growing. Take a 5% significance level.

explain each step by step and the formulas used.

Ryan is growing 10 saplings in a greenhouse, labeled A thru J. He makes these observations about their height: Day A B C D E F G H - 5/1 12 13 10 11 10 10 12 8 11 11 5/7 13 13 11 12 10 11 13 8 11 12