'Calculate sample' diaporamas de présentation

DATA QUALITY and ANALYSIS Strategy for Monitoring Post-fire Rehabilitation Treatments

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Last lecture summary

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Last lecture summary

Last lecture summary. Which measures of variability do you know? What are they advantages and disadvantages? Empirical rule. Statistical jargon. population (census) vs. sample parameter (population) vs. statistic (sample ). Population - parameter Mean Standard deviation.

389 views • 29 slides

Technology Choices and Growth: Testing and Expanding the propositions of New Structural Economics

Technology Choices and Growth: Testing and Expanding the propositions of New Structural Economics. R. L. Bruno, E. Douarin, J. Korosteleva and S. Radosevic Prepared for the Transition Economies Meets New Structural Economics SSEES, UCL June 25-26, 2013. Outline. Key objectives.

389 views • 28 slides

T-distribution & comparison of means

T-distribution & comparison of means. Z as test statistic. Use a Z-statistic only if you know the population standard deviation ( ? ). Z-statistic converts a sample mean into a z-score from the null distribution. .

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Chaper 3

Chaper 3. Some basic concepts of statistics. Population versus Sample. Population. Sample. Numbers that describe the sample are called __________________ Sample mean is represented by ________ Sample variance is represented by ________.

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Confidence Interval for Population Mean

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Topics, Summer 2008

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X AND R CHART EXAMPLE IN-CLASS EXERCISE

X AND R CHART EXAMPLE IN-CLASS EXERCISE. The following collection of data represents samples of the amount of force applied in a gluing process: Determine if the process is in control by calculating the appropriate upper and lower control limits of the X-bar and R charts.

842 views • 6 slides