2. Use question 1 to help answer question 2: An article in the local paper claims that the average amount lowe spent in a visit to a fast food restaurant at least $20. Is the fast food restaurant in problem # 1 unusually ang diw how cheap? (Conduct a hypothesis test to answer this question. Use a 5% level of significance.) Assume that the M=25 amount people spend is approximately normally distributed. animistab of beibute asw instustast bool last s 18 anobio de to slamna robust hom tot eisem bobuloni arsbro smo?) obro sito (ellob restesa ort of bobauer) x= 5 1515 M>20 a) Ho: M≤29 M>20 (Clam) b) Is this a right-tailed, two-tailed or left-tailed test? bas right Tailed vol adi lads. Isinb sasdi rol atolq 15 laidw bas-xod exeM (s nsibom or bas 29linsup birds c) Compute the z score. Show the appropriate computation.de 25zaslo xia diw older yonsapsila M (d zaionsupeil svitslumus bus asioneups it yonsuper vielumu atimil 2281) d) Find the p-value for the sample test statistic. Sketch of the appropriate curve and label the test statistic and p-Value on the sketch. e) Based on your answers above, do you reject or fail to reject the null hypothesis? What do you conclude about the average cost at this restaurant? State your conclusion in nontechnical terms.

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a. For this study, we should use t-test for a population mean b. The null and alternative hypotheses would be: Ho: uv (Please enter a decimal) c. The test statistic z v (please show your answer to 3 decimal places.) %3D d. The p-value = (Please show your answer to 4 decimal places.) %3D e. The p-value is> va f. Based on this, we should fail to reject vthe null hypothesis. g. Thus, the final conclusion is that ...

#2...Can you write out answer please n thank u

There is a relationship between political affiliation (on a scale of 1 to 10, where 1 = very liberal and 10 = very conservative) and U.S. geographic regions, such that people living in the Northeast are more likely to consider themselves liberal than people living in the South. what is my unit of analysis?

1. The data in Table 7–6 were collected in a clinical trial to evaluate a new compound designed to improve wound healing in trauma patients. The new compound was com- pared against a placebo. After treatment for 5 days with the new compound or placebo, the extent of wound healing was measured. Is there a difference in the extent of wound healing between the treatments? (Hint: Are treatment and the percent wound healing independent?) Run the appropriate test at a 5% level of significance. Use the data in Problem 1. Pool the data across the treatments into one sample of size n = 250. Use the pooled data to test whether the distribution of the percent wound healing is approximately normal. Specifically, use the following distribution 30%, 40%, 20%, and 10% and a = 0.05 to run the appropriate test.   Percent Wound Healing   Treatment 0-25% 26-50% 51-75% 76-100% New compound (n=125) 15 37 32 41 Placebo (n=125) 36 45 34 10

Please answer these two short questions.

.  What is the appropriate analysis? Using statistical equations, give complete statements of the null and alternative hypotheses. Give any appropriate equations that may be generated by the analysis.

2. Two kinds of bumper guards, six of each kind, were mounted on a certain make of compact car. Each car was then run into a concrete wall at 5 miles per hour and the costs of repairs (in dollars) was recorded. Summary of the data is shown below. n = 6 i = 144 si = 363.20 n =6 i = 149 si = 202.00 Test at the 0.02 level of significance whether it is reasonable to assume that the two populations sampled have equal variances.