P value greater than 0 05
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The second table shows which pairs of groups have significantly different means when compared using a t-test (with a pooled standard deviation that uses all groups), where significantly different means that the p-value of a two-sided test is less than 0.05.
[DOC File]CHAPTER 13 REVIEW
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The greater the standard deviation, the flatter is the curve. ... Usually, researchers will reject a hypothesis if the p-value is less than α = 0.05. Sometimes researchers will use a stricter cut-off (e.g., α = 0.01) or sometimes researchers will use a more liberal cut-off (e.g., α = 0.10) ...
Hypothesis testing - Handbook of Biological Statistics
The decision rule is to reject H0 if the p-value is less than 0.05. Our p-value is greater than 0.05, so we do not reject the null hypothesis. Is there evidence that the machine is not meeting the manufacturer's specifications for average breaking strength? No, not at the 0.05 level of significance.
[DOC File]SIGN TEST (NONPARAMETRIC)
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If we choose =0.05, the P-value is .2758. Since P-value = .2758 is greater than =0.05, we say that “Do not reject Null hypothesis at level =0.05”. That is, the observed is therefore not good evidence that executives differ from other men. Figure 6.11 The P-value for the two sided test in Example 6.14
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Aug 12, 2010 · Since the p-value is greater than 0.05 we fail to reject the null hypothesis. So QoL at the baseline can be assumed normal according to Kolmogorov-Simirnov test. Note that the data doesn't pass the normality test in Shapiro-Wilk. The sample size is small to decide the normality at this point. We may want to do a nonparametric test.
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From the χ2 table, we see that 119.44 is larger than any value for 3 df. Hence, P value < 0.0005. [The TI-83 gives a P value of 1.02 x 10-25 (χ2cdf(119.44, 1E99, 3).] Because P value < 0.05, we reject the null and conclude that not all the proportions are as hypothesized in the null.
[DOCX File]Hypothesis Testing
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Mar 04, 2013 · Find the critical z value used to test a null hypothesis.ALPHA = 0.05 for a left-tailed test. (Points : 4) -1.96 ±1.96 ±1.645 -1.645. 2. Find the value of the test statistic z using z = p^-p/√pq/nThe claim is that the proportion of accidental deaths of the elderly attributable to residential falls is more than 0.10, and the sample ...
[DOC File]Comparisons Among Several Samples (Analysis of Variance ...
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Now in the output below, we can see the results for the T-test. Look at the enlarged numbers under the column that says “t” for the t-value, “df” for the degrees of freedom, and “Sig. (2-tailed) for the p-value. (Notice that the p-value of .539 is greater than our “.05” alpha level, so …
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The p-value is less than or equal to alpha (0.05). The null hypothesis is therefore rejected. The population means are probably not equal. H0 not rejected: The p-value is greater than alpha (0.05). The null hypothesis is therefore not rejected. The population means could be equal. Wilcoxon Signed-Rank Test (nonparametric)
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