Chapter 8 Overview - MyMathClasses
1Slide 1Copyright 2004 Pearson Education, 8Hypothesis Testing8-1 Overview8-2 Basics of Hypothesis Testing8-3 Testing a Claim About a Proportion8-4 Testing a Claim About a Mean: Known8-5Testing a Claim About a Mean: Not Known8-6 Testing a Claim About a Standard Deviation or VarianceSlide 2Copyright 2004 Pearson Education, In statistics, a hypothesisis a claim or statement about a property of a population. A hypothesis test(or test of significance) is a standard procedure for testing a claim about a property of a 3Copyright 2004 Pearson Education, Hypothesis: H0 The null hypothesisincludes the assumed value of the population parameter. It must be a statement of equality. Test the Null Hypothesis directly RejectH0or fail to rejectH0Components of aFormal Hypothesis TestSlide 4Copyright 2004 Pearson Education, Hypothesis: H1 The alternative hypothesis(denoted by H1or Ha) is the statement that the parameter has a value that somehow differs from the null hypothesis.
3 Slide 13 Copyright © 2004 Pearson Education, Inc. The test statistic is a value computed from the sample data, and it is used in making the decision about the ...
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