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[DOC File]Calculations with Lower and Upper Bounds
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The volume of the block is 1000cm3 rounded to 1 significant figure. Calculate the difference between the least and greatest possible density of the block. (Grade B) The area of a circle is 140cm2 rounded to 2 significant figures. Calculate the greatest possible length of the diameter of the circle. (Grade A*)
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[DOC File]Sampling and Sample Size - Columbia University
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For difference among many means, pick the two means you really care about and then apply Lehr’s rule to get the sample size for each group. For the difference between proportions use N = 16 p(1 - p) / (p0 - p1)2 where p = (p0 + p1)/2. Hulley, Chapter 6, has some useful sample size estimation tables.
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[DOC File]Homework 5 - Department of Physics and Astronomy
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If another significant figure had been kept, the values would be . We use those results. (a) To find the potential difference between points a and d, start at point a and add each individual potential difference until reaching point d. The simplest way to do this is along the top branch.
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[DOC File]8 - University of Vermont
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If the ANOVA is significant, we can use the post hoc tests to determine which specific groups differ significantly from one another. (As you can see, there are many options. Let’s select LSD under Equal Variances Assumed since it is Fisher’s Least Significant Difference Test which is calculated in the text, except that SPSS will test the ...
calculate significant figure

[DOCX File]Hypothesis Testing
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A statistically significant difference" simply means there is statistical evidence to say that there is a difference; It does not mean the difference is necessarily large, important, or significant in the common meaning of the word.
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[DOC File]Power and Sample Size Calculation - Purdue University
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In the example, assume that a pilot study has been done, and that the standard deviation of the difference between the two groups has been found to be 5, with a mean difference of 2. We’d like to calculate the required sample size for an experiment with 80% power. proc. power; pairedmeans test=diff . meandiff = 2 . stddev = 5. npairs ...
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[DOC File]Algebra 1
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The answer can have as many decimals as the measurement with the least number of Significant Figures. 12.0 kg 3 significant figures. x . 04 kg 1 significant figure. 0.5 kg 1 significant figure ( Rounded value After completing the notes on calculating with significant figures, continue with application of measurement problems.
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[DOC File]3-12
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Jul 02, 2010 · 3-15a,b,g Find the absolute and percent relative uncertainty and express each answer with a reasonable number of significant figures. a) 9.23 (±0.03) + 4.21 (±0.02) – 3.26 (±0.06) = 10.18 (has 4 sig figs due to addition) for addition and subtraction we use absolute uncertainties to calculate the uncertainty in the answer.
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Calculate least significant difference