Q2-.Does the pH of soil affect seed germination of a specific plant species? Group 1: eight pots with soil at pH 5.5 Group 2: eight pots with soil at pH 7.0 50 seeds planted in each pot and the number that germinated in each pot was recorded 1- What is the null hypothesis (H0)? 1-Calculate the standard deviation for both groups. 2-Using your mean and SDs, calculate the value for t.