If you are given summary statistics for a sample and want to construct a confidence interval, this can be done through the Probability Calculatorin Geogebra, or Stat>Basic Stats>1-sample Z in Minitab(web). For Minitab (web), see Tutorials in D2L. For Geogebra, follow the directionsbelow: Open it and click the "Statistics" tab just above the graph.For a confidence interval for a population mean, with unknown o, click the drop-down menu near the top (default is "Z Test of a Mean") andchoose "T Estimate of a Mean."Enter the confidence level (in decimal form), sample mean, sample standard deviation, and sample size. We'll use a sample with = 65.17,s = 3.654, n = 26.Based on this sample data, a 95% confidence interval for the population mean is:The margin of error for this 95% confidence interval isBased on this sample data, a 99% confidence interval for the population mean is:The margin of error for this 99% confidence interval is

Procedure to conduct 95% confidence interval for the population mean using MINITAB: Go to Stat >…

Answered: If you are given summary statistics for…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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For a hypothesis test of a single population proportion, we can use the "Statistics" tab in the Probability Calculator in Geogebra or "Stat > Basic Statistics > 1 Proportion" in Minitab. For Geogebra, click the drop-down menu near the top (default is "Z Test of a Mean") and choose "Z Test of a Proportion." Enter the number of Successes (usually written as I, which is not the same thing as I), and sample size N. We'll use a sample of size 16 in which there are 5 successes. For Minitab, first select "Summarized Data" from the drop-down menu, then enter the number of events (Successes, x), and numer of trials (sample size N). Check "Perform Hypothesis Test" and enter the hypothesized proportion. Click Options and select your alternate hypothesis and "Normal Approximation" from the drop-down list. For a hypothesis test of Ho :p= 0.5 versus HA : p 0.3. The given sample has a test statistic of The P-value for the test is For a hypothesis test of Ho p = 0.3 versus HA: p 0.3: • The given…
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