Researchers conducted trials to investigate the effects of color on creativity. Subjects with a red background were asked to think of creative uses for a brick; other subjects with a blue background were given the same task. Responses were scored by a panel of judges and results from scores of creativity are given in the accompanying table. Higher scores correspond to more creativity. The researchers make the claim that "blue enhances performance on a creative task." Assume that the two samples are independent simple random samples selected from normally distributed populations, and do not assume that the population standard deviations are equal. Complete parts (a) and (b). Click the icon to view the summary statistics. a. Use a 0.01 significance level to test the claim that blue enhances performance on a creative task. What are the null and alternative hypotheses? OA. Ho: H1 H₂ H₁: H₁ H₂ OC. Ho: H=H2 H₁: H₁ H₂ State the conclusion for the test. The test statistic, t, is. (Round to two decimal places as needed.) The P-value is (Round to three decimal places as needed.) esponse Summary Statistics O A. Reject the null hypothesis. There is not sufficient evidence to support the claim that blue enhances performance on a creative task. Background OB. Reject the null hypothesis. There is sufficient evidence to support the claim that blue enhances performance on a creative task. OC. Fail to reject the null hypothesis. There is sufficient evidence to support the claim that blue enhances - X claim that blue enhances Blue Red Print OB. Ho: H₁ H2 H₁: H1 H₂ S 4.27 0.68 0.84 OD. Ho: H₁ H₁: H1 μ n H₁ 33 H₂ 46 3.46 Done H₂ H2 bout the confidence interval ? lence to support the claim that
Researchers conducted trials to investigate the effects of color on creativity. Subjects with a red background were asked to think of creative uses for a brick; other subjects with a blue background were given the same task. Responses were scored by a panel of judges and results from scores of creativity are given in the accompanying table. Higher scores correspond to more creativity. The researchers make the claim that "blue enhances performance on a creative task." Assume that the two samples are independent simple random samples selected from normally distributed populations, and do not assume that the population standard deviations are equal. Complete parts (a) and (b). Click the icon to view the summary statistics. a. Use a 0.01 significance level to test the claim that blue enhances performance on a creative task. What are the null and alternative hypotheses? OA. Ho: H1 H₂ H₁: H₁ H₂ OC. Ho: H=H2 H₁: H₁ H₂ State the conclusion for the test. The test statistic, t, is. (Round to two decimal places as needed.) The P-value is (Round to three decimal places as needed.) esponse Summary Statistics O A. Reject the null hypothesis. There is not sufficient evidence to support the claim that blue enhances performance on a creative task. Background OB. Reject the null hypothesis. There is sufficient evidence to support the claim that blue enhances performance on a creative task. OC. Fail to reject the null hypothesis. There is sufficient evidence to support the claim that blue enhances - X claim that blue enhances Blue Red Print OB. Ho: H₁ H2 H₁: H1 H₂ S 4.27 0.68 0.84 OD. Ho: H₁ H₁: H1 μ n H₁ 33 H₂ 46 3.46 Done H₂ H2 bout the confidence interval ? lence to support the claim that
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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