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A manufacturer of chocolate chips would like to know whether its bag filling machine works correctly...
A manufacturer of chocolate chips would like to know whether its bag filling machine works correctly at the 443 gram setting. It is believed that the machine is underfilling the bags. A 16 bag sample had a mean of 435 grams with a standard deviation of 25. Assume the population is normally distributed. A level of significance of 0.05 will be used. Specify the type of hypothesis test.
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