Hypothesis testing of soap

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Reference no: EM13113782

A bath soap manufacturing process is designed to produce a mean of 120 bars of soap per batch. Quantities over or under are undesirable. A sample of 10 batches shows the following number of bars of soap. The population is assumed to be normal.

108, 118, 120, 122, 119, 113, 124, 122, 120, 123

Using a .05 level of significance, test whether the sample results indicate that the manufacturing process is functioning properly.

Reference no: EM13113782

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