P value normal data

    • [DOC File]Suppose that , and are estimators of the parameter

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      When testing , the P-value=0.13 < (=0.15 or the test statistics, z=-1.13 < -=-1.0364 If I claimed that true proportion of children injured wearing the seat belt is less than 50%, does the data support the claim?

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    • [DOC File]Hypothesis Testing:

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      Let z* be the computed test statistic value. Lower tailed test: P-value = Upper tailed test then reject H0 if P-value = Two-tailed test then reject H0 if P-value = In each case, reject H0 when P-value ( ( and fail to reject H0 when P-value > (. Rejection region for level ( test: Lower tailed test: reject H0 if

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    • [DOC File]AP Stats Chapter 11 Notes: Significance Tests

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      As always, calculate the p value taking to be true. When is true, = 0, and z has the standard Normal distribution. The p value is then. Value as far from 0 as = 17 would happen 23% of the time when the true population mean is = 0. An outcome that would occur so often when is true is not good evidence against . Assignment: p. 698-699 11.7 to 11.12

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    • [DOC File]Rossman/Chance

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      Express the p-value of Fisher’s Exact Test for the most extreme outcome (that all n subjects receiving the new drug improve and all n with the standard drug do not), as a function of n. Use technology to calculate this p-value for values of n from 1 through 20, inclusive. Produce a graph of this p-value …

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    • [DOC File]1

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      What can we say about the value of the P-value? A) P-value < 0.01 B) 0.01 < P-value < 0.05. C) 0.05 < P-value < 0.10 D) P-value > 0.10. 10. The primary difference between the times when a Z-test is appropriate and when a t-test is appropriate in testing Ho: m1 = m2 vs Ha: m1 m2 is based on whether. A) we sample from normal populations B) the ...

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    • [DOC File]ST 361 Normal Distribution

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      More on p-value (Step 4) The p-value quantifies the strength of evidence from the data against the null hypothesis ( The smaller the p-value is, the stronger the evidence in the data against . ( To get a p-value, one begins by assuming is true (In this example, it means ).

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