A factory manager collected a sample of 10 packets of 3-in-1 coffee and the         weights (in grams) of each packet are recorded as follow:                                    25    23    26    28    24                                        21    26    24    25    27   Calculate: 1.the mean weight of a packet of 3-in-1 coffee.     2.the sample standard deviation of the data collected. 3.find a 90% confidence interval for the weights of the 3-in-1 coffee.

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A: Solution

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Q: The average salary of 64 employee was 5400 and the sample standard deviation was 280. Find the 95%…

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A:

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A:

Q: 2. A factory manager collected a sample of ten (10) packets of 3-in-1 coffee and the weights (in…

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A:

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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.