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In this video, we will review Ch. 9 material including creating and interpreting confidence intervals and determining necessary sample sizes.
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In this video, we will review Ch. 9 material including creating and interpreting confidence intervals and determining necessary sample sizes.
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In this video, we will determine the necessary sample size for a mean problem. We will also review how to calculate the critical value z sub alpha over 2.
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Excel is easier to work with if you set up a comfortable grid and cells. This video teaches about leaving white space, resizing cells, and creating borders.
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In this abbreviated lecture video, we will cover Sections 9.1 and 9.2 We will learn about confidence intervals, margins of error, critical values, and how to calculate necessary sample sizes.
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Calculating the sample size needed for a proportion problem
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