Mathematics, 06.04.2021 01:00 arizmendiivan713

A manufacturer of chocolate chips would like to know whether its bag filling machine works correctly at the 410 gram setting. It is believed that the machine is underfilling or overfilling the bags. A 15 bag sample had a mean of 405 grams with a variance of 169. Assume the population is normally distributed. Is there sufficient evidence at the 0.05 level that the bags are underfilled or overfilled

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