1. 9- 1 Chapter Nine Estimation and Confidence IntervalsGOALSWhen you have completed this chapter, you will be able to:ONEDefine a what is meant by a point estimate.TWODefine…
1. Point Estimator• A point estimator cannot be expected to provide theexact value of the population parameter. WHY NOT? – A point estimate comes from a single sample,…
1. SamplingDistributions, StandardError, Confidence IntervalOyindamola Bidemi YUSUFKAIMRC-WR 2. SAMPLE Why do we sample? Note: information in sample may notfully reflect…
1. Single Sample t-Tests 2. Welcome to a presentation explaining the conceptsbehind the use of a single sample t-test 3. Welcome to a presentation explaining the conceptsbehind…
1. Single Sample t-Tests 2. Welcome to a presentation explaining the conceptsbehind the use of a single sample t-test 3. Welcome to a presentation explaining the conceptsbehind…
1. lChapter SevenThe Normal Probability DDiissttrriibbuuttiioonnGOALS1. List the characteristics of the normal probabilitydistribution.2. Define and calculate z values.3.…
1. 3.2 Measures of VariationCHAPTER 3AVERAGES AND VARIATION 2. Measures of Variation An average is an attempt to summarize a set of data using just one number. an…
Slide 1 8.2 z Test for a Mean S.D known 1 8.2 z Test for a Mean The z test is a statistical test for the mean of a population. It can be used when n > 30, or when the…