A quality control technician is checking the weights (in grams) of a Nescafe Gold Blend Coffee. She takes a random sample of 6 units and weighs each unit. The observed weights are shown below: 50.3 49.6 51.3 49.8 51.3 49.9 51.1 Assume the population has a normal distribution. (a) Compute the mean and the standard deviation weight of a Nescafe Gold Blend Coffee. Round your answer to three decimal places. (b) Calculate the lower confidence limit and the upper confidence limit of the 98% confidence interval for u, the mean weight. Round your answe

Q: proportionality

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Q: the solution is not clearly written here

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