Significance level of 0 10

    • [PDF File]QM353: Business Statistics Chapter 3 - Hatem Masri

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      10.18. Given the following null and alternative hypotheses H0: μ1 ≥ μ2 HA: μ1 < μ2 together with the following sample information a. Assuming that the populations are normally distributed with equal variances, test at the 0.10 level of significance whether you would reject the null hypothesis based on the sample information.


    • [PDF File]Correlation Coefficient Critical Values for 0.05 and 0.01 ...

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      Correlation Coefficient Critical Values for 0.05 and 0.01 Significance Levels 0.05 0.01 Sample Size n Critical Value Critical Value ... explanatory variable and the response variable at the 0.01 level of significance. There is at most a 1% chance that this apparent relationship is due to chance or other unknown factors.


    • [PDF File]Why P=0.05?

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      Why P=0.05? The standard level of significance used to justify a claim of a statistically significant effect is 0.05. For better or worse, the term statistically significant has become synonymous with P 0.05. There are many theories and stories to account for the use of P=0.05 to denote statistical significance.


    • [PDF File]How to Choose the Level of Significance: A Pedagogical Note

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      3 nX n X Z 0.5 2/ , where X is the sample mean. At the 5% level of significance, H0 is rejected if Z is greater than the critical value of 1.645 or X is greater than 2(1. 645 )/ n.Note that the Z statistic is an increasing function of sample size or the critical value for X is a decreasing function of sample size.


    • [PDF File]PROBLEM SET 1 - WOU Homepage

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      0) at a significance level of α=0.05, then we also must fail to reject it at a significance level of α=0.10. False. Consider the p-values. If we fail to reject H 0, then the p-value must be greater than α; so if α=0.05, then the p-value > 0.05. However, this does not necessarily imply that the p-value must also be greater than 0.10.


    • [PDF File]Chapter 22, Part 2: Computing p-values for significance tests

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      (p >0:025) • So, the p-value is the area under the normal curve that is as far or further away from the mean of the distribution.-0.05 0.00 0.05 0.10 0.15 0.20 0 10 20 30 40 Sampling Distribution p p-value is the `more extreme' area under the Normal curve NOTE: We’d look at the area under the curve to the left of the observation if the ...


    • [PDF File]Table of critical values of t - University of Sussex

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      Table of critical values of t: One Tailed Significance level: 0.1 0.05 0.025 0.005 0.0025 0.0005 0.00025 0.00005 Two Tailed Significance level: df: 0.2 0.1 0.05 0.01 ...



    • [PDF File]Special Topics: Statistical Power

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      does exist in the population. For example, a study with a statistical power level of 0.90 has only a 10% probability of falsely failing to reject the null hypothesis. Alternatively, a study with a statistical power estimate of 0.40 has a 60% probability of falsely failing to reject the null hypothesis. Generally as the statistical power of a



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