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Business, 05.10.2019 16:30, bravomichelle75

What is the importance of the variation in statistics?

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Mathematics, 10.07.2019 02:10, CameronVand21

The ages of a group of 139 randomly selected adult females have a standard deviation of 16.6 years. assume that the ages of female statistics students have less variation than ages of females in the general population, so let sigmaequals16.6 years for the sample size calculation. how many female statistics student ages must be obtained in order to estimate the mean age of all female statistics students? assume that we want 90% confidence that the sample mean is within one-half year of the population mean. does it seem reasonable to assume that the ages of female statistics students have less variation than ages of females in the general population?

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Physics, 12.09.2019 06:30, vanessa051266

Psychology. which of the following statements does not describe a limitation of statistics? a. statistics addresses gaps in knowledge. b. statistics can allow for subjective influences. c. statistics can lead to inaccurate assumptions. d. statistics offers only collective information.

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Mathematics, 01.10.2019 06:00, mariahbrooks

Aresearcher wants to know what the average variation is in altimeters of small, privately owned airplanes. the task of determining this is expensive and time consuming, if even possible, given the large number of such airplanes. the researcher decides to use government records to randomly locate the owners of ten such planes and then get permission to test the altimeters. when the researcher is done, he will use the data gathered from the group of ten to reach conclusions about all small, privately owned airplanes. this process can best be described as descriptive statistics data statistics inferential statistics research statistics nonparametric statistics

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Social Studies, 16.10.2019 01:30, ladybugys

The ages of a group of 147 randomly selected adult females have a standard deviation of 17.5 years. assume that the ages of female statistics students have less variation than ages of females in the general population, so let sigmaequals17.5 years for the sample size calculation. how many female statistics student ages must be obtained in order to estimate the mean age of all female statistics students? assume that we want 90% confidence that the sample mean is within one-half year of the population mean. does it seem reasonable to assume that the ages of female statistics students have less variation than ages of females in the general population?

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