If the age distribution is a bellshaped distribution, what percentage of the students are less than 23 years old? What percentage of the ages fall between 15 and 27 years old? mean is 21 and standard deviation 2 Select one: a. Approximately 97.5% b. Approximately 16% c. Approximately 2.5% d. Approximately 84%

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Q: Find the sample standard deviation for the given data. Round to the nearest tenth. 2, 6, 15, 9, 11,…

A: x (x-)2   2 59.29   6 13.69   15 28.09   9 0.49   11 1.69   22 151.29   1 75.69…

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Q: Assuming that the heights of college women are normally distributed with mean 65 inches and standard…

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Q: What is the standard deviation for the data given: 12, 18, 16, 22 Select one: а. 17.33 b. 13 c. VT3

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Q: SE Mean

A: Country- CHINA Sample size (n) =50 Sample mean (x¯) = 22.5  Standard deviation (σ)=9.75

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.