Significance level 0 02

    • [DOC File]Hypothesis Testing:

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      The two sample standard deviations of assembly time were smen=0.98 min and swomen=1.02 min. Is there evidence to support the claim that men and women differ in repeatability for this assembly task? Use the significance level 0.02 and state any necessary assumptions about underlying distribution of the data. (=0.10, m=26, n=21. Test statistics:

    • [DOC File]Test 12B

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      H0: ( = 0, Ha: ( > 0. Based on these data we conclude that (a) we would not reject H0 at significance level 0.10. (b) we would reject H0 at significance level 0.10 but not at 0.05. (c) we would reject H0 at significance level 0.05 but not at 0.01. (d) we would reject H0 at significance level 0.01.

    • [DOC File]Hypothesis Testing:

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      Using a significance level of 0.05, would you reject the assertion that the coin is fair? From a practical point of view, does the unfairness of the coin bother you? Example 8: A random sample of 50 suspension helmets used by motorcycle riders and automobile race-car drivers was subjected to an impact test, and on 18 of these helmets some ...

    • [DOC File]JustAnswer

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      Apr 12, 2011 · a) At the .02 significance level, can we conclude that a larger proportion of students at your school have jobs? Use the five-step hypothesis-testing procedure in answering this question. H0: p ≤ 0.3333. Ha: p > 0.3333. Decision rule: At 0.02 significance level, upper critical value of z is 2.0537. So, decision rule is Reject H0 if z > 2.0537

    • [DOCX File]JustAnswer

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      Jun 27, 2016 · Test this claim at the 0.02 level of significance. The mean acetaminophen content for a random sample of n = 41 tablets is 603.3 mg. Assume that the population standard deviation is 4.9 mg. A. Since the test statistic is greater than the critical z, there is sufficient evidence to accept the null hypothesis and to support the claim that the ...

    • [DOC File]3) According to the US Chamber of Commerce, the annual ...

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      Test the null hypothesis that the real population value of average theft for employee-owned companies is $785, against the alternative that it is less than that. Use an alpha level of 0.02. State each step of your hypothesis test. Interpret your results. 2.

    • [DOCX File]JustAnswer

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      Apr 29, 2013 · They wanted to determine whether the hippocampal volumes in the alcoholic adolescents were less than the normal volume of 9.02 cm cubed. An analysis of the sample data revealed that the hippocampal volume is approximately normal with x bar=8.38 and s=0.7. conduct an appropriate test at the α=0.05 level of significance.

    • [DOC File]Paper Reference(s)

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      (c) Write down the actual significance level of the above test. (1) In the school holidays, 1 call occurs in a 10 minute interval. (d) Test, at the 5% level of significance, whether or not there is evidence that the rate of incoming calls is less during the school holidays than in term time. (5)

    • [DOC File]Test of Hypothesis One sample Test

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      Using a 0.02 level of significance, would we conclude the typical amount spent per customer is more than $20.00? 2. Suppose an editor of a publishing company claims that the mean time to write a textbook is at most 15 months. A sample of 16 textbook authors is randomly selected and it is found that the mean time taken by them to write a ...

    • [DOC File]Test 11A

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      Feb 07, 2012 · 0.90 0.40 0.05 0.20 0.10 9. A significance test allows you to reject a hypothesis H0 in favor of an alternative Ha at the 5% level of significance. What can you say about significance at the 1% level? (a) H0 can be rejected at the 1% level of significance. (b) There is insufficient evidence to reject H0 at the 1% level of significance.

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