The Sugar Producers Association wants to estimate the mean yearly sugar consumption per individual. A sample of 20 people had a mean yearly consumption to be 28.75 kg and a standard deviation of 5.80 kg. Assume the sugar per individual is normally distributed. (a) What is the best point estimate of the population mean? H For part (b), round your answer to 3 decimal places. (b) What is the critical t-value that will need to be used to calculate the 93% confidence interval? For part (c), round your answers to 4 decimal places. (c) What is the 93% confidence interval