Stat significance calculator
[DOC File]Survey Software - Crosstabs Software - Online and Paper ...
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Statistics Calculator uses lsd (least significant difference) t-tests for all post-hoc comparisons. For the post-hoc tests, use the same critical alpha level that you used to test for the significance of the F-ratio. Example. A company has offices in four cities with sales representatives in each office.
[DOC File]X2 (Chi-Square)
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3. Go to STAT, then TESTS, and choose X2-Test (easiest with up arrow) (Note on a TI-84 this is “X2-Test”, not “X2-GOF Test”) 4. Make sure it says [A] and [B] as the observed and expected matrices. If it does just hit ENTER three times. 5. The read-out will give you X 2 and the degrees of freedom. RESULT.979 < 9.49. NOT significant
[DOC File]Chapter 11- Testing A Claim
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The p-value needs to be as small as or smaller than the alpha, α, level. The alpha level depends on our significance level. 8. What does statistically significant mean? This means that something, an event, is unlikely to happen by chance. 11.2 Carrying Out Significance …
[DOC File]How to calculate a P-value using a t value
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The TI-83 Plus was designed several years ago with a very extensive statistics package and is currently the calculator of choice for most Statistics classes. Stats/List Editor installs this extensive statistics package in a TI-89/TI-92 PLUS. The user interface on the TI-89/TI-92 PLUS is superior to that of the TI-83 Plus.
[DOC File]Power and Sample Size Calculation - Purdue University
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alpha - Step where the significance level is specified. contrast - Specifies the details of the contrast. In this case, the contrast will be between groups 1 and 3 (men and women not taking the drug) and groups 2 and 4 (men and women taking the drug). If a contrast that compares men and women were of interest, this step could read: contrast= (1 ...
[DOC File]STAT 6601 - CSU East Bay
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STAT/MATH {3502, 4612}, Statistical Inference I/Statistical ... confidence level, confidence intervals, statistical significance, hypothesis tests . Linear Regression: correlation, least-squares regression line, hypothesis testing for model significance ... and a simple hand calculator for use during midterm and final exams. In addition ...
[DOC File]Sampling and Sample Size - Columbia University
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Statistical significance versus practical/clinical significance (or importance): Statistical significance means that a difference is “real” and not just due to sampling variability or chance. That is, the difference would persist if the study were repeated with new random samples.
[DOC File]Inferences for a Single Population Mean ( )
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t-Probability Calculator.JMP) 5) Make decision and interpret. To perform a t-test in JMP, select . Test Mean. from the . LOS . pull-down menu and enter value for mean under the null hypothesis,17.0 in this example. Example 2: Creatinine Levels in …
[DOC File]Stat 301 Review (Test 2)
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Stat 301 Review (Test 2) Below is a table of the tests that we covered in chapters 6, 7, 12 and 13. ... John would fail to reject his null hypothesis at the 1% level of significance because 36 falls outside the range of the confidence interval. ... it by hand. Give the general formula and plug in the correct numbers for the formula. You do not ...
[DOC File]Formula Sheet and List of Symbols, Basic Statistical Inference
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Title: Formula Sheet and List of Symbols, Basic Statistical Inference Author: Brian Stipak Last modified by: Brian Stipak Created Date: 2/1/2007 8:56:00 PM
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