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It is well known that the time to the appearance of the first true leaves for basil plants is 21 to 35 days, or on

It is well known that the time to the appearance of the first true leaves for basil plants is 21 to 35 days, or on average, about 28 days. 9 randomly chosen students monitored and recorded the number of days it took for true leaves to first appear on a basil plant assigned to their care. We calculated the average and standard deviation of days to the appearance of the first true leaves for our 9 randomly chosen plants to be 24.03 days and 2.92 days. Assuming our basil plants are randomly chosen from a larger population of basil plants, and the distribution of days is normally distributed, use a one sample t test to determine whether the average time to the first true leaves issignificantly differentfrom 28 days. Use =0.05. Fill in and choose answers in brackets.

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