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LAB ACTIVITY 5 - SAMPLING DISTRIBUTIONS

LAB ACTIVITY 5 - SAMPLING DISTRIBUTIONS

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Author: Christine Farr
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Lab Activity 5 - Sampling DistributionsUse “Grocery Shopping” data1. (9 points)a. Use Minitab to find the summary statistics of Spending (Stat > Basic Statistics > DisplayDescriptive Statistics). Record the sample size, mean, and standard deviation of our sample data. Copyand paste your computer output.Descriptive Statistics: spendingVariablespendingN50N*0Mean25.84SE Mean2.28StDev16.15Minimum2.32Q114.19Median20.73Q334.04Maximum69.49b. Calculate by hand the estimated standard error of the sampling distribution of the sample mean. Inmany situations, such as this, we do not know the population standard deviation, so we use the samplestandard deviation instead. Show all calculations.

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