Manufacturing Garment Average Narrative

Essay

Manufacturing Garment Average Narrative
A garment manufacturing company recorded the amount of time that it took to make a pair of jeans on eight different occasions. The times in minutes are as follows: 12.5, 13.0, 11.9, 10.2, 13.1, 13.6, 13.8, and 14.0. Assume these measurements were taken from a population with a normal distribution. Do the sample data suggest that the average time it takes this company to make a pair of jeans is less than 13.5 minutes?
-Refer to Manufacturing Garment Average Narrative. Construct a 95% confidence interval for the mean amount of time it takes this company to make a pair of jeans.