A fast food restaurant estimates that the mean sodium content in one of its breakfast sandwiches is less than or equal to 922 milligrams. A random sample of 49 breakfast sandwiches has a mean sodium content of 925 milligrams. Assume the population standard deviation is 11 milligrams. At a = 0.05, do you have enough evidence to reject the restaurant's claim? t* = ヌー X-H Z = S/Vn Ho: H + 912 912 Test statistic: Decision:

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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.