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[DOC File]Using EXCEL Functions In Place of Probability Tables
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This is the probability that the random variable is less than or equal to 12 for a normal distribution with mean 5 and standard deviation 2. NORMINV (P, mu, sigma): Returns a number such that the cumulative probability up to that number is equal to P. e.g., NORMINV(0.3, 5, 2) = 3.950529.
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[DOC File]LAB 7 - Purdue University
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In G504 calculate the standard deviation of the 500 sample means. Use excel STDEV (g2:g501) Enter the standard deviation of the 500 sample means:_____ Theory says the standard deviation of the sample means = Population std dev / sqrt (n). or 5 / sqrt(5) = 2.236.
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[DOC File]Chapter 9
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TEST 5. 2 out of 3 points more than 2 standard deviations from center line (on. one side of CL). Test Failed at points: 38, 58, 59, 63, 86. TEST 6. 4 out of 5 points more than 1 standard deviation from center line (on. one side of CL). Test Failed at points: 40, 60, 64, 75. TEST 7. 15 points within 1 standard deviation of center line (above and ...
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[DOCX File]Using EXCEL Functions In Place of Probability Tables
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standard deviation = sigma. e.g., NORMDIST (12, 5, 2, 1) = .999767. This is the probability that the random variable is less than or equal to 12 for a normal distribution with mean 5 and standard deviation 2. Note if the last argument is 0, it returns the height of the normal distribution at point . a. NORMINV (P, mu, sigma): or NORM.INV (P, mu ...
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[DOC File]Limit of Detection (LOD)
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Statistically, LOD = 3 STD (Standard Deviation) or as it is called 3Sigma. You have to be careful about LOD detection calculations. It is the calculation of Sigma (STD) that is a bit tricky. The Sigma (STD.) is not a constant; it depends on time, %Pb, substrate, etc.
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[DOC File]How to analyze tolerances using Excel
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The entries of the Mean and the modified standard deviation or sigma are as follows: 3 1 = 3 Column A: Vz . Row 2: Mean minus Sqrt 3 times sigma . 3: Mean. 4: Mean plus Sqrt 3 times sigma . Repeat the cycle until row 244. 3 2 = 9 Column B: VBE . Row 2: Mean minus Sqrt 3 times sigma.
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[DOC File]Statistics Solutions: Confidence Intervals
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The sample mean and population standard deviation are found to be 8 km and 2.25 km, respectively. Calculate the 95% confidence interval for the population mean distance traveled to school. Example3) A simple random sample is drawn from a population whose population standard deviation is known to be 6.7. The sample mean is 48.9. Answer the following
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[DOC File]Examination
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Mean 1174.46 Standard Deviation 125.82 Sample Variance 15831.568 Minimum 945 Maximum 1465 n 80 According to the table, what is the point estimate of the average SAT score? ... (You may need to use Excel.) ... Third Examination Page 3. Sigma sub p is SQRT(.7(.3)/100) = .045826. Answer b. a. The point estimate of mu is x-bar.
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3 sigma standard deviation excel