6. In a random sample 450 Minnesota residents 290 are fully vaccinated, while in a random sample of 400Wisconsin residents 233 are fully vaccinated. A researcher ceated the following partial MINITAB output.MethodDescriptive StatisticsEstimation for DifferenceEvent 1SampleMinnesota 450N Event Sampleppe proportion where Minnesota =1P proportion where Wisconsin .1Difference pSONO forDifference233 0.52500 0.0619444 (-00158120.139701290 0644444 oerenceWisconsin 400a What is the confidence interval for the difference of proportion of fully vaccinated residents inMinnesota and Wisconsin in this experiment?b. Give an interpretation for the confidence interval.9:06 AM /

6. The sample size for Minnesota is 450 residents in which 290 are fully vaccinated, and sample size…

Answered: 6. In a random sample 450 Minneseta…

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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3. It has been claimed that over 30 percent of entering college students have blood cholesterol levels of at least 200. Randomly select 20 students in the list in Table 1 to test this hypothesis. What conclusion do the 5 percent level of significance?
16. A one-way ANOVA test is conducted at the 10% level of significance and finds the following results: n = 34, K = 4, x̅ = 16.62, MST = 30.303, and MSE = 12.356. What is the tail area of the ANOVA test? A. 0.083 D. 0.097 B. 0.178 C. 0.071
7. With a previous contractor, the mean time to replace a streetlight was 3.2 days. A city councilwoman thinks that the new contractor is not getting the streetlights replaced as quickly. She selects a random sample of 12 streetlight service calls for the new contractor, and obtains the following times to replacement (days). 6.2 7.1 5.4 5.5 7.5 2.6 4.3 2.9 3.7 0.7 5.6 1.7 Using a significance level of 0.01, test the councilwoman's claim. You may assume that all conditions are satisfied.
8.What is the sample variance and the estimated standard error for a sample of n = 9 scores with SS = 72? a. s2= 9 and sM = 3 c. s²= 3 and sM = 3 b. s? = 9 and SM = 1 d. s2 = 3 and sM= 1 %3D
If SSBetween = 225.31 and there are four groups in the study with 10 cases per group, MSBetween = :
1. One sample from an independent‐measures study has n = 6 with SS = 400. The other sample has n = 9 and SS = 770. Compute the pooled variance/explanation.
7. Solve the ANOVA table Sample size per condition (n)=8 Source Between Conditions Between Subjects Residual Total SS df MS F 111.00 2 13.636 4.07 234.00
8) A machine at BCC cafeteria dispenses a hot cappuccino drink. The average cup of hot cappuccino is supposed to contain an average µ = 8.25 ounces. We may assume that x follows a normal distribution with o = 0.42 ounces. A random sample of 20 cups of hot cappuccino from the machine had a mean content x = 8.12 ounces. Use an a = 0.05 significance level and test whether the mean amount of liquid is less than 8.25 ounces by doing the following: a) Write the null hypothesis Ho and the alternate hypothesis H1 b) Specify your data, then, use the appropriate formula to find the value of the sample test statistic (either z or t)? Data: Test statistic: c) Find the p-value of the sampling distribution p-value = d) Base on your answer for parts (a) through (c), will you reject or fail to reject the null hypothesis? Explain your answer. 4.
8. Because of the popularity of movies as an entertainment medium for college students, you plan to do a national study of the average cost of a movie ticket. If you assume that o= $0.50, what sample size would you have to take to be 95% confident that your estimate was within $0.25 of the true mean ticket prices? %3D
5)

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