1 significance value
[DOC File]AP Statistics Chapter 2 Test
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1. A significance test gives you a P-value of .04. From this we can (a) Reject at 1% significance level (b) Reject at 5% significance level (c) Say that the probability that is false is .04 (d) Say that the probability that is true is .04 (e) Say the results are significant at the 1% level. 2.
[DOC File]Chapter 11- Testing A Claim
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Power: the probability that a fixed level, α, significance test will reject Ho , when a particular alternative value of the parameter is true, is called power. The power of a test against any alternative is 1 minus the probability of a Type 2 error, β.
[DOC File]CHAPTER 17: SOCIAL STATISTICS
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4. What is the table value for chi-square in a 3 x 4 table at the 5% level of significance? a. 3.84. b. 12.59. c. 21.03. d. 12.00. e. It cannot be determined from the information given. ANS: B. 5. The formulas for some measures of association can result …
[DOC File]Statistics - .:: GEOCITIES.ws
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1. In a recent year, of the 109,857 arrests for Federal offenses, 29.1% were drug offenses. Use a 0.01 significance level to test claim that the drug offense rate is equal to 30%. How can the result be explained, give that 29.1% appears to be so close to 30%? Use both traditional and p-value …
[DOCX File]Notes 9.1: Significance Tests with Proportions
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Example 1: According to a national survey, 20% of all 18 to 24 year olds have passports. A random sample of 18-24 year olds found that 14 out of 50 had passports. Perform a significance test to determine if the proportion of 18-24 year olds …
[DOCX File]Amine Ouazad's Website — Amine Ouazad
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1. For a)-c), is it a null hypothesis, or an alternative hypothesis? a) In Canada, the proportion of adults who favor legalized gambling equals 0.50. b) The proportion of all Canadian College students who are regular smokers now is less than 0.24 (the value it was ten years ago).
[DOC File]CHAPTER 9—HYPOTHESIS TESTS
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a. State the null and alternative hypotheses. b. Using the critical value approach, test the hypotheses at the 1% level of significance. c. Using the p-value approach, test the hypotheses at the 1% level of significance. ANS: a. H0: P 0.2 Ha: P > 0.2 b. Do not reject H0; test statistic Z = 1 < 2.33 c. Do not reject H0; p-value = 0.1587 > 0.01
[DOCX File]MODIFICATIONS GUIDE
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, cite the particular authority used in your Justification and Approval permitting other than full and open competition (example: 10 USC 2304(c)(1) for only one responsible source)-When no specific clause can be cited. as the negotiation authority, as a last resort use Mutual Agreement of the Parties, FAR 43.103(a)(3).
[DOC File]Columbia University in the City of New York
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p-value This null hypothesis can be rejected at any value of ( (significance level) greater than 0.0717%. Note: since the z value is too large to look up in the standard normal table, we need to use Excel to calculate this p-value. (Use the function: =2*(1-NORMSDIST(3.38)))
[DOC File]Test of Hypothesis One sample Test
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11. A random selection of nine supermodels found that their average height was 70.2 inches with a standard deviation of 1.5 inches. Use a 0.05 level of significance to test the claim that on average supermodels is taller than 63.6 inches (which is the mean height for all women). Assume heights are normally distributed.
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