'Null hypothesis type' presentation slideshows

ENGR 201: Statistics for Engineers

ENGR 201: Statistics for Engineers. Chapter 9: Test of Hypothesis for a Single Sample Null and alternative hypothesis, test statistic, type I and type II errors, significance level, p-value. Lecture Outline. What is Hypothesis Testing? Hypothesis Formulation Statistical Errors

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Observations

Observations. DI Water 40% Ethanol. Statement of Problem. Why does the pigment look faded with 40% ethanol?. Hypotheses. Ha1 Ethanol enters the cell and breaks down the pigment. Ha2 Ethanol breaks down the cell membrane releasing contents of the cell including the pigment.

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