A team of botanists conducted an experiment investigating the effect of pH on plant growth. The height of the plant was measured three weeks after planting. Based on the data they collected, what is the optimal pH for growing basil? Explain your answer.
Based on the data they collected, which plant fares better than the others in low pH environments? Explain your answer.
At which pH is there the greatest difference between the heights of parsley and basil? What is the height difference at that pH?

3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.