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Independent population - PowerPoint PPT Presentation

Basic concept of statistics

Basic concept of statistics. Measures of central tendency. Measures of dispersion & variability. Measures of tendency central. Arithmetic mean (= simple average). Best estimate of population mean is the sample mean, X. measurement in population. summation. sample size.

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1.09k views • 91 slides

USING UNIVARIATE STATISTICAL ANALYSIS IN BUSINESS RESEARCH

USING UNIVARIATE STATISTICAL ANALYSIS IN BUSINESS RESEARCH. Hypothesis Testing . Classification of Univariate Methods. H ow can we get benefit from hypothesis tests?.

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1.21k views • 88 slides

Chapter 10, sections 1 and 4 Two-sample Hypothesis Testing

Chapter 10, sections 1 and 4 Two-sample Hypothesis Testing. Test hypotheses for the difference between two independent population means ( standard deviations known or unknown) Use the F table to find critical F values Complete an F test for the difference between two variances.

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276 views • 11 slides

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Independent population - PowerPoint PPT Presentation

Basic concept of statistics

USING UNIVARIATE STATISTICAL ANALYSIS IN BUSINESS RESEARCH

Chapter 10, sections 1 and 4 Two-sample Hypothesis Testing