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[DOC File]BENEDICTINE UNIVERSITY
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The sample mean is an unbiased estimator of the population mean. ... deviation computed from a sample." Calculator note--some calculators, notably TI's, compute two standard deviations ... Also the phrase "first quartile" is used by some to mean the 25th percentile value, and by others to mean the 75th percentile value. To avoid this ambiguity ...
normally distributed percentile calculator

[DOC File]Calculator Tip Sheet - kelly's math stuff
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Calculator Tip Sheet. Chapter 9. To conduct a hypothesis test for the population mean, with n < 30, unknown : STAT. TESTS. 2: t-test. Stats. Enter hypothesized mean, sample mean, standard deviation, sample size. Symbol in your H1 < > or . Calculate. To conduct a hypothesis test for the population mean, with n > 30 or known: STAT. TESTS. 1: z ...
distribution percentile calculator

[DOC File]STP226 NAME:
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a) (4 points)Let be a sample mean for the samples of size 9 from all the SAT . scores. What is the sampling distribution of ? Give mean and standard . deviation of that distribution. Sampling distribution of is _____ = _____ =_____ b)(4 points) Suppose we select a random sample of 9 SAT scares and is their average.
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[DOC File]PROBABILITY TOPICS: PRACTICE
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Sample Mean = Exercise 6. Sample standard deviatons = sx = Exercise 7. Sample size = n = Calculations. Use the table in section 2.11.13 to calculate the following values: Exercise 8. Median = Exercise 9. Mode = Exercise 10. First quartile = Exercise 11. Second quartile = median = 50th percentile = Exercise 12. Third quartile. Exercise 13
calculate 90th percentile

[DOC File]CHAPTER 14: DESCRIPTIVE STATISTICS
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PERCENTILE: the pth percentile of a data set is a data value such that p% of the data is at or below that value and the rest of data is at or above it. FINDING PERCENTILE: There are three steps to finding the pth percentile. Step 1. SORT the data xi in order from the least value to the greatest value. Step 2. Find the locator i for the pth ...
statistics percentile calculator

Percentile of sample mean calculator