(20 marks) QUESTION 2 A fourth grade class is studying the environment. One of the assignments is...

(20 marks) QUESTION 2 A fourth grade class is studying the environment. One of the assignments is to grow bean plants in different soils. Tommy chose to grow his bean plants in soil found outside his classroom mixed with dryer lint. Tara chose to grow her bean plants in potting soil bought at the local nursery. Nick chose to grow his bean plants in soil from his mother's garden. No chemicals were used on the plants, only water. They were grown inside the classroom next to a large window. Each child grew five plants. At the end of the growing period, each plant was measured, producing the data (in inches) in below. Tommy's Plants Tara's Plants Nick's Plants 24 25 23 27 21 31 23 23 22 30 20 30 23 28 20 Does it appear that the three media in which the bean plants were grown produce the same mean height? Test at 5% level of significance. (15 marks)