Can a p value be 0
What should p value be reported when SPSS report it 0.000?
( 0 . p-value ( 2(0) = 0. The calculation is merely a perfunctory act, we can clearly see, given the sample mean value and standard deviation that we are nowhere near 16lbs. The chance of seeing a weight as low as the one we just encountered or even lower, when we assume ( = 16lbs is nearly impossible to achieve. Thus, there is overwhelming ...
[DOC File]CHAPTER 9—HYPOTHESIS TESTS
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g) A p-value above 0.01 shows that the null hypothesis is true. h) If the null hypothesis is true, you can't get a p-value below 0.01. Answers: a) False. A high p-value shows that the data are compatible with the null hypothesis, and provides no evidence for …
[DOC File]Statistics 1601 - University of Minnesota
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a. H0: p 0.21 Ha: p > 0.21 b. Test statistic Z = 1.96 c. p-value = 0.025 d. p-value = 0.025 < .05; therefore, reject Ho; more than 21% like the new drink. PTS: 1 TOP: Hypothesis Tests 9. In the past, the average age of employees of a large corporation has been 40 years. Recently, the company has been hiring older individuals.
[DOC File]Where We're At - John Uebersax
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A significance test yields a P-value of 0.0101. (a) Explain what it would mean for the null hypothesis to be true in this setting. (b) Interpret the P-value in context. 13. Lefties. Refer to Exercise 3. In Simon’s SRS, 16 of the students were left-handed. A significance test yields a P-value of 0.2184.
[DOC File]Exam 3 Practice Questions
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The p-value for the test was 0.003. Which is true? There is a 0.3% chance that the mean ages for the men and women are equal. There is a 0.3% chance that the mean ages for the men and women are different. It is very unlikely that the professor would see results like these if the mean age of men was equal to the mean age of women.
[DOC File]AP Statistics
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Apr 12, 2011 · p-value = 0.0183. 16. A recent study compared the time spent together by single and dual-earner couples. According to the records kept by the wives during the study, the mean amount of time spent together watching television among the single-earner couples was 61 minutes per day, with a standard deviation of 15.5 minutes. For the dual-earner ...
[DOC File]Chapter 7 Section 1 - Portland Community College
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P-Value = 0.000. This tells us that the sample estimates of Pearson correlation of Day and Weight is -0.998 based on 14 observations. When test for significance, a low p-value rejects the null that rho=0 and we conclude that the sample estimates just did not come from the noise. There is a meaningful linear relationship between the two variables.
[DOC File]John Uebersax Home Page
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g) A p-value above 0.01 shows that the null hypothesis is true. h) If the null hypothesis is true, you can't get a p-value below 0.01. Answers: a) False. A high p-value shows that the data are compatible with the null hypothesis, and provides no evidence for …
[DOC File]DeKalb County School District
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The probability shaded greater than 0.905 is (1-0.8186) =0.1814. p-value = 0.1814. p-value is not less than alpha. So, we fail to reject Ho. 61. B The assumptions of the hypothesis test for a proportion are the data must be categorical, data must come from a random sample, np> 15 and n(1-p…
[DOC File]How to interprete the minitab output of a regression analysis:
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A study found that the use of bed nets was associated with a lower prevalence of malarial infections in Gambia. A report of the study states that the significance is P < 0.001. Explain what this means in a way that could be understood by someone who has not studied statistics. 6.54 (3 points) Statistics can help decide the authorship of ...
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