A company that makes cola drinks states that the mean caffeine content per 12-ounce bottle of cola is 55 milligrams. You want to test this claim. During your tests, you find that a random sample of thirty 12-ounce bottles of cola has a mean caffeine content of 57.4 milligrams. Assume the population is normally distributed and the population standard deviation is 7.3 milligrams. At a= 0.04, can you reject the company's claim? Complete parts (a) through (e). (a) Identify Ho and H. Choose the correct answer below. O A. Ho: µ = 57.4 Ha u#57.4 B. Ho: H#57.4 Ha: u = 57.4 Ο c. Ho: μ= 5 O D. Ho: H2 55 Ha:H< 55 Ha: u#55 O E. Ho: µ#55 Ha:µ = 55 Ο F. H με 57.4 Hai H<57.4

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.