MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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- Use technology to find the P-value for the hypothesis test described below. The claim is that for 12 AM body temperatures, the mean is u> 98.6°F. The sample size is n = 6 and the test statistic is t= 2.287. P-value = (Round to three decimal places as needed.)arrow_forwardA doctor wanted to determine whether there is a relation between a male's age and his HDL (so-called good) cholesterol. The doctor randomly selected 17 of his patients and determined their HDL cholesterol. The data obtained by the doctor are in the accompanying data table. Complete parts (a) through (f) below. E Click the icon to view the data obtained by the doctor. E Click the icon to view the Student's t-distribution table. (a) Draw a scatter diagram of the data, treating age as the explanatory variable. What type of relation, if any, appears to exist between age and HDL cholesterol? O A. The relation appears to be linear. O B. The relation appears to be nonlinear. O C. There does not appear to be a relation. (b) Determine the least-squares regression equation from the sample data. (Round to three decimal places as needed.) (c) Are there any outliers or influential observations? No Yes (d) Assuming the residuals are normally distributed, test whether a linear relation exists between…arrow_forwardFind the P-value for the indicated hypothesis test with the given standardized test statistics z. Decide whether to reject H0 for the given level of significance α. Left-tailed test, z=-1.32, α=0.10 Right-tailed test, z=2.46, α=0.01 Two-tailed test, z=-1.68, α=0.05arrow_forward
- Use technology to find the P-value for the hypothesis test described below. The claim is that for 12 AM body temperatures, the mean is μ>98.6°F. The sample size is n=9 and the test statistic is t=2.262.arrow_forwardDetermine P-Value.arrow_forwardFind the test statistic for this hypothesis test. Z= Determine the P Value P-Value=arrow_forward
- Identify the type I error and the type II error that corresponds to the given hypothesis. The proportion of adults who use the internet is greater than 0.27. Which of the following is a type I error? O A. Reject the claim that the proportion of adults who use the internet is 0.27 when the proportion is actually 0.27. O B. Fail to reject the claim that the proportion of adults who use the internet is 0.27 when the proportion is actually different from 0.27. O C. Reject the claim that the proportion of adults who use the internet is 0.27 when the proportion is actually different from 0.27. O D. Fail to reject the claim that the proportion of adults who use the internet is 0.27 when the proportion is actually 0.27. Which of the following is a type II error? O A. Fail to reject the claim that the proportion of adults who use the internet is 0.27 when the proportion is actually 0.27. O B. Reject the claim that the proportion of adults who use the internet is 0.27 when the proportion is…arrow_forwardConsider the following hypothesis test. H0: ? ≥ 55 Ha: ? < 55 A sample of 36 is used. Identify the p-value and state your conclusion for each of the following sample results. Use ? = 0.01. Consider the following hypothesis test. H0: ? ≥ 55 Ha: ? < 55 A sample of 36 is used. Identify the p-value. Use ? = 0.01. (a) x = 54 and s = 5.1 test statistics= -1.176 P-value ____?____ Identify the p-valuearrow_forwardIdentify the type I error and the type II error for a hypothesis test of the indicated claim. The percentage of college students who own cars is less than 35%. Identify the type I error. Choose the correct answer below. O A. Reject the null hypothesis that the percentage of college students who own cars is less than 35% when it is actually true. 2 OB. Fail to reject the null hypothesis that the percentage of college students who own cars is greater than or equal to 35% when it is actually false. OC. Reject the null hypothesis that the percentage of college students who own cars is greater than or equal to 35% when it is actually true. O D. Fail to reject the null hypothesis that the percentage of college students who own cars is less than 35% when it is actually false. Identify the type II erfor. Choose the correct answer below... O A. Fail to reject the null hypothesis that the percentage of college students who own cars is greater than or equal to 35% when it is actually false. OB.…arrow_forward
- Use technology to find the P-value for the hypothesis test described below. The claim is that for a smartphone carrier's data speeds at airports, the mean is μ=16.00 Mbps. The sample size is n=26 and the test statistic is t =1.554 A.) P-Value=arrow_forwardUse technology to find the P-value for the hypothesis test described below. The claim is that for 12 AM body temperatures, the mean is μ > 98.6 °F. The sample size is n = 3 and the test statistic is t = 1.234.arrow_forwardThe p-value for a hypothesis test turns out to be 0.09484. At a 2% level of significance, what is the proper decision? Reject H0H0 Fail to reject H0arrow_forward
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