Question

Suppose you purchased a case of soda that is supposed to fill each soda with 16 oz. Consider standard daviation, s=0.130. Assume that the weights of filled bags are approximately normally distributed. A random sample of 8 sodas yields the following date (in oz): 15.87 16.02 15.78 14.83 15.69 15.81 16.04 15.81 On the basis of these data, can you conclude that the mean fill weight is actually less than 16 oz? a.) State the appropriate null and alternate hypothesis. (5 pts) b.) At 95% CI, is there enough evidence to discard the null hypothesis? (15 pts)

          Suppose you purchased a case of soda that is supposed to fill each soda with 16 oz. Consider standard daviation, s=0.130. Assume that the weights of filled bags are approximately normally distributed. A random sample of 8 sodas yields the following date (in oz):
15.87
16.02
15.78
14.83
15.69
15.81
16.04
15.81
On the basis of these data, can you conclude that the mean fill weight is actually less than 16 oz?
a.)     State the appropriate null and alternate hypothesis. (5 pts)
b.)    At 95% CI, is there enough evidence to discard the null hypothesis? (15 pts)

Added by Cheryl G.

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