Question: Solve and explain Suppose you are a quality control manager in a factory. You are experimenting with a new dispensing machine. You collect data from

Solve and explain

Suppose you are a quality control manager in a factory. You are experimenting with a new dispensing machine. You collect data from a random sample of 11 boxes filled by the machine. The weight of each box (in pounds) is as follows: Hours 2.9 2 2.8 2.3 3 2.4 2.8 2.6 2.8 2.2 2 a) What is a point estimate for the population mean weight? (Round answer to 3 decimal places) 2.527 b) What must be true in order to construct a confidence interval in this situation? The population must be approximately normal c) What is the critical value to construct a confidence interval in this situation? (Round upper and lower bounds to 3 decimal places) 2.2281 Enter an integer or decimal number [more..] d) Construct a 98% confidence interval for the population mean weight. Enter your answer as an open- interval (i.e., parentheses example (5.2314,8.1245) (Round upper and lower bounds to 3 decimal places). (2.283,2.772)

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