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[DOC File]Power and Sample Size Calculation - Department of Statistics
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', then select the design you want to use. (the designs available in that menu include: one-sample t-test, paired t-test, two sample t-test and one-way ANOVA). 8). After you select the design another window pops-up and asks you to input the needed options and parameters. If you need to know the needed sample size for your research, you can select '
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[DOC File]Using the TI-84 for Statistics - Portland Public Schools
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Using the TI-84 for Statistics in Biology. The calculator can be used to enter data from experiments. This data can then be manipulated to produce statistics such as mean and standard deviation and student t …
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[DOC File]CALCULATION OF REPEATABILITY AND REPRODUCIBILITY
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‘repeatability standard deviation’ If the laboratories record only a single result for each material, say x successes out of n trials, then the proportion of successes is x/n. The variability within laboratories is then measured by the standard deviation given by the theory of the binomial distribution and it is given by eq.4.
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[DOC File]Inferences for a Single Population Mean ( )
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Test Statistic for Testing a Single Population Mean ~ (t-test) ~ t-distribution with df = n – 1. Assumptions: When making inferences about a single population mean we assume the following: 1. The sample constitutes a random sample from the population of interest. 2. The population distribution is normal.
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[DOC File]Hypothesis Testing Worksheet
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7. Carry out the hypothesis test in 6 to verify your answer: 8. Last year the government made a claim that the average income of the American people was $33,950. However, a sample of 50 people taken recently showed an average income of $34,076 with a population standard deviation of $324. Is the government’s estimate too low?
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[DOC File]STATS CHEAT SHEET - StFX
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SINGLE SAMPLE T-TEST. In order to run a Single Sample T-test you must: Be provided with Population (Use the sample Standard Deviation to predict Population (Equations: df = N – 1. EXAMPLE: PAIRED SAMPLES T-TEST. Paired Samples T-Tests: Are also known as Dependent or Matched T-Tests
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[DOC File]WRITING UP POWER ANALYSES .au
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correlation included 3,040 data points, a single-sample t-test with an effect. size of r = .05 yielded I - ~ = 0.86 (Gpower: Faul and Erfelder 1992). This is an interesting report to consider, because the 3040 data points boil down to 76 participants each considering 40 stimuli. Non-independence could be an issue in the eyes of some readers.
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[DOC File]Inferences for a Single Population Mean ( )
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Test Statistic for Testing a Single Population Mean ~ (t-test) ~ t-distribution with df = n – 1. Assumptions: When making inferences about a single population mean we assume the following: 1. The sample constitutes a random sample from the population of interest. 2. The population distribution is normal.
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[DOC File]vault.hanover.edu
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One-sample t test for population mean µ 7.1 TInterval. T-Test Analyze > Compare Means > One-Sample T Test Notes for one-sample t test: 1. Data are from a single SRS of size n from the population. 2. If sample size is less than 15, do not use t procedures if the …
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[DOC File]Stats 156 – Calculator Stuff
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Run χ2 test in calculator (not the program) • Press STAT and choose “TESTS” • Choose χ2–Test. Single Factor ANOVA – F-Test. 1. From Raw Data • Put the data for each sample in lists L1, L2, … • Press STAT and choose “TESTS” • Choose ANOVA(• Enter ANOVA(L1, L2, …) 2. From Summary Statistics • Enter the sample sizes ...
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Single sample t test calculator statistics