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Name: If someone was hospitalized for the a virus does taking the medication
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Description: If someone was hospitalized for the a virus does taking the medication significantly shorten the duration of the illness and therfore lower the number of days patients remain in hospital? Use the data below to calculate the relevant descriptive and i

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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If someone was hospitalized for the a virus does taking the medication significantly shorten the duration of the illness and therfore lower the number of days patients remain in hospital? Use the data below to calculate the relevant descriptive and inferential statistics to test the hypothesis that the durg shortens hospital stay.

Without the medication the averrage duration was population mean=12 days, population standard deviation = 2 days

Number of days in hospital while taking medication
13
10
8
12
11
9
13

1. What are the degrees of freedom in the study, df=?

2. What was standard error for patients taking the experimental medication?

3. What t_(crit)-value must you exceed to reject H_o?

4. After doing the calculations, you find the t_(obs)value to be?

5. What is the decision regarding the use of this drug to shorten hospital stay? Reject H_oor Fail to reject H_o

Statistics that allow for inferences or estimates about the population. Inferential statistics enable analysts come to conclusions about the population based on sample data. Inferential statistics cover the basics of inferential statistics, all kinds of hypotheses tests and their confidence intervals, design of experiments, and statistical power and errors. It also includes point estimation techniques, limit theorems, sampling distributions, approximations, and bounds. Correlation, regression, and association are also covered under inferential statistics to infer relationships between variables.

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