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- Given the Data:Test the hypothesis that p(rho)xy is not equal to 0 at the 0.05 level of significance.A tax accountant would like to test the claim that the proportion of individuals who owe when filing their taxes is greater than 0.20. If the z− test statistic was calculated as z=1.94, does the tax accountant have enough evidence to reject the null hypothesis? Assume α=0.05.The Prevalence per 10,000 population of having health insurance for 1 (Table 5 box s. above) is: The Prevalence per 10,000 population of having health insurance for 2 (Table 5 box w. above) is:
- For each of the following settings, define the parameter of interest and write the appropriate null and alternative hypotheses for the test that is described. Scenario 1: In an avocado, the average seed diameter is 1 inch. However, you are an avocado expert and you believe that the average seed diameter is increasing recently.If the value of Cronbach’s alpha is 0.07, it means ___________; a. Research instrument is not reliable b. Research instrument is internally consistent c. Data is reliable d. Data is internally consistentFor each of the following settings, define the parameter of interest and write the appropriate null and alternative hypotheses for the test that is described. Scenario 2: According to the Galactic Empire’s study, 0.5% of the people in the galaxy are Jedi. You are interested in determining if the proportion of the Jedi on the planet Tatooine is different than the galaxy’s proportion.
- For the situation described below, state the null and alternative hypotheses to be tested. (Enter != for ≠ as needed.) A new variety of pearl millet is expected to provide an increased yield over the variety presently in use, which has a mean yield of about 55 bushels per acre.Referring to Table 1, the critical value(s) is (are) ________. Question 3 options: 1) 56 2) 0.000859 3) 6.37169 4) 2.76943For a population with u=50 and o=10,what is the x value corresponding to z=0.4?
- As a researcher using ANOVA, in order to reject the null hypothesis, we need the F ratio to be: a. -1 b. 1 c. 0 d. greater than 1 0Suppose you are investigating whether the proportion of milk chocolate M&M's that are green differs from the proportion of dark chocolate M&M's that are green. You purchase a bag of each variety, and summarize your data in the following table. Green Not Green Total Milk Chocolate 8 33 41 Dark Chocolate 4 38 42 Total 12 71 83 (a) Define the appropriate parameter(s) and state the null and alternative hypotheses for testing if the proportion of green M&M's differs for milk chocolate and dark chocolate M&M's.(b) Find the sample proportion of milk chocolate M&M’s that are green and the sample proportion of dark chocolate M&M’s that are green. Then find their difference.(c) If you were to use the following randomization distribution (based on 100 samples) to compute the p-value, what would it be? p-value = ____________(d) If you were to use a 5%…On average, what value is expected for the F-ratio if the null hypothesis is true? a. 0 c. k – 1 b. 1.00 d. N – k