Find the p-value for the 2-test. (Round your answer to four decimal places.) a right-tailed test with observed z = 1.14 USE SALT p-value = Determine the significance of the results. O The results are highly significant. O The results are statistically significant. O The results are only tending toward statistical significance. O The results are not statistically significant.

Find the p-value for the 2-test. (Round your answer to four decimal places.) a right-tailed test with observed z = 1.14 USE SALT p-value = Determine the significance of the results. O The results are highly significant. O The results are statistically significant. O The results are only tending toward statistical significance. O The results are not statistically significant.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A standardized exam's scores are normally distributed. In a recent year, the mean test score was 20.6 and the standard deviation was 5.6. The test scores of four students selected at random are 13, 23, 7, and 35. Find the z-scores that correspond to each value and determine whether any of the values are unusual. Question content area bottom Part 1 The z-score for 13 is (Round to two decimal places as needed.) Part 2 The z-score for 23 is (Round to two decimal places as needed.) Part 3 The z-score for 7 is (Round to two decimal places as needed.) Part 4 The z-score for 35 is (Round to two decimal places as needed.) Part 5 Which values, if any, are unusual? Select the correct choice below and, if necessary, fill in the answer box within your choice. A. The unusual value(s) is/are (Use a comma to separate answers as needed.) B. None of the values are unusual.
2 Solve all parts please
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HW20: Please answer all sections
Question Help ▼ Summary statistics for the scores of the 27 students who completed a Dental Anxiety Scale questionnaire are x = 10.5 and s=3.3, Scores range from 0 (no anxiety) to 20 (extreme anxiety). Conduct a test of hypothesis to determine whether the mean Dental Anxiety Scale score for the population of college students differs from u= 11. Use a = 0.05. State the null and alternative hypotheses. Choose the correct answer below. A. Ho: H=11 versus H: u11 O B. Ho: H 11 versus H: u = 11 OC. Ho: H=11 versus Hn: H > 11 The test statistic for this small-sample test of a population mean is. (Round to two decimal places as needed.)
Determine the value of the test statistic. F STAT = _____ (Simplify your answer.) Determine the p-value. p-value = (Round to three decimal places as needed.) At the 0.05 level of significance, is there an effect due to factor A? State the result of this test. b. At the 0.05 level of significance, is there an effect due to factor B? Determine the hypotheses.D. H0: There is no effect due to factor B. Determine the value of the test statistic. F STAT = ________ (Simplify your answer.) Determine the p-value. p-value = ________ (Round to three decimal places asneeded.) At the 0.05 level of significance, is there an effect due to factor B? State the result of this test. c. At the 0.05 level of significance, is there an interaction effect? Determine the hypotheses. Determine the value of the test statistic. F STAT = _____ (Simplify your answer.) Determine the p-value. p-value = _____ (Round to three decimal places as needed.) At the 0.05 level of significance, is there…
K Assume that adults have IQ scores that are normally distributed with a mean of 101.5 and a standard deviation 20.1. Find the first quartile Q₁, which is the IQ score separating the bottom 25% from the top 75%. (Hint: Draw a graph.) The first quartile is (Type an integer or decimal rounded to one decimal place as needed.)
↓ ve this Q In a random sample of males, it was found that 22 write with their left hands and 220 do not. In a random sample of females, it was found that 70 write with their left hands and 452 do not. Use a 0.01 significance level to test the claim that the rate of left-handedness among males is less than that among females. Complete parts (a) through (c) below. A N Z= -1.71 (Round to two decimal places as needed.) Identify the P-value. View an example 2 P-value=0.044 (Round to three decimal places as needed.) What is the conclusion based on the hypothesis test? The P-value is greater than the significance level of α = 0.01, so fail to reject the null hypothesis. There is not sufficient evidence to support the claim that the rate of left-handedness among males is less than that among females. b. Test the claim by constructing an appropriate confidence interval. The 98% confidence interval is < (P-P₂)< (Round to three decimal places as needed.) 34,339 W S F2 X H command #3 Get more…
May I know the answer and the process of c and d?
4736 You'd like to test the null hypothesis that the means of the two samples (column A and column B) are the same. The alternative hypothesis is that they are not the same. You have no reason to believe that the standard deviations of the two samples are equal. Test at the alpha = 0.10 level. After using Excel, what do you conclude? Are the means the same? Group of answer choices You reject the null hypothesis. Therefore, you conclude that the means of the two populations are different. You cannot reject the null hypothesis. Therefore, you conclude that the means of the two populations are the same. You reject the null hypothesis. Therefore, you conclude that the means of the two populations are the same. You cannot reject the null hypothesis. Therefore, you conclude that the means of the two populations are different. X1 X2 97.54 109.27 101.15 97.42 94.22 97.79 98.49 98.93 94.51 108.67 99.72 107.85 96.52 98.51 99.78 102.50 99.64 108.56 103.69…
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