How do you write up the results between these two data sets using APA form
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How do you write up the results between these two data sets using APA formatting?
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- What is a sample space?Is the high school dropout rate higher for males or females? A random sample of population regions gave the following information about percentage of 15- to 19-year-olds who are high school dropouts. (Reference: Statistical Abstract of the United States, 121st edition.) Region 1 2 3 4 5 6 7 8 9 10 Male 7.8 7.1 7.6 21.9 4.1 12.5 3.6 4.7 8.1 9.6 Female 7.4 6.5 6.2 20.5 2.3 5.6 3.7 4.4 12.2 10.9 Region 11 12 13 14 15 16 17 18 19 20 Male 14.3 3.9 3.7 4.8 5.4 6.6 15.2 6.6 8.3 6.4 Female 15.9 6.8 4.1 3.5 9.9 9.4 12.7 3.8 3.8 8.3 Does this information indicate that the dropout rates for males and females are different (either way)? Use α = 0.05. (a) What is the level of significance? (b) Compute the sample test statistic. (Use 2 decimal places.) (c) Find the P-value of the sample test statistic. (Use 4 decimal places.)A bank with a branch located in a commercial district of a city has the business objective of improving the process for serving customers during the noon-to-1 PM lunch period. To do so, the waiting time (defined as the number of minutes that elapses from when the customer enters the line until he or she reaches the teller window) needs to be shortened to increase customer satisfaction. Another bank in the area is also concerned with the noon-to-1 PM lunch period. A random sample of 12 customers is selected from each bank and the waiting times are the following: Bank 1: 4.02 4.13 4.05 4.09 3.2 3.79 4.95 4.74 4.29 4.7 3.8 3.18 Bank 2: 2.28 3.85 1.61 3.25 2.82 2.61 3.93 2.13 3.03 1.89 3.7 2.45 Is there evidence of a difference in the variability of the waiting time between the two branches? (alpha = 0.05) a. What are the null and alternate hypotheses? H0: H1:…
- A bank with a branch located in a commercial district of a city has the business objective of improving the process for serving customers during the noon-to-1 PM lunch period. To do so, the waiting time (defined as the number of minutes that elapses from when the customer enters the line until he or she reaches the teller window) needs to be shortened to increase customer satisfaction. Another bank in the area is also concerned with the noon-to-1 PM lunch period. A random sample of 12 customers is selected from each bank and the waiting times are the following: Bank 1: 4.02 4.13 4.05 4.09 3.2 3.79 4.95 4.74 4.29 4.7 3.8 3.18 Bank 2: 2.28 3.85 1.61 3.25 2.82 2.61 3.93 2.13 3.03 1.89 3.7 2.45 Is there evidence of a difference in the variability of the waiting time between the two branches? (alpha = 0.05) c. Compute the value of the test statistic? (Round your answer to 2 decimal places. Negative values should have a minus sign in front of them) d.…A bank with a branch located in a commercial district of a city has the business objective of developing an improved process for serving customers during the noon-to-1 p.m. lunch period. Management decides to first study the waiting time in the current process. The waiting time is defined as the time that elapses from when the customer enters the line until he or she reaches the teller window. Data are collected from a random sample of 35 customers. Suppose that another branch, located in a residential area, is also concerned with improving the process of serving customers in the noon-to-1 p.m. lunch period. Data are collected from a random sample of 40 customers. The obtained data from the two branches are stored. At the 5% significance level, is there evidence of a difference in the mean waiting time between the two branches? What is/are implications of the result?#2.The Gallup organization periodically polls adults living in the U.S. about the issue ofimmigration. Participants are asked whether they think immigration should increase,decrease, or stay at present levels. When this question was asked in June of 2016, 38%of respondents said they thought immigration should decrease. When it was asked inJune of 2018, 29% of respondents said they thought immigration should decrease.For the purpose of this problem, suppose that the sample size was 200 in both 2016 and2018, and that each represented a simple random sample of adults living in the U.S. atthat time. Is there evidence for a real change in opinion among U.S. adults between2016 and 2018, or do you think the results are just due to chance? Carry out all thesteps for a two-sample z test and state your conclusion. Suppose I had told you in #2 that the same people had been surveyed in 2016 and 2018.What’s the problem with carrying out the two-sample z test in this case?
- Simple random sampling: is used when there is a need to emphasize one or more types of population items. requires both input and output parameters to be set when using a random number generator. is generally used with replacement sampling. is a probabilistic sampling method.The state of Georgia's HOPE scholarship program guarantees fully paid tuition to Georgia public universities for Georgia high school seniors who have a B average in academic requirements as long as they maintain a B average in college. It was reported that 73 out of the 137 randomly selected students entering Ivan Allen College at Georgia Tech (social science and humanities) with a HOPE scholarship lost the scholarship at the end of the first year because they had a GPA of less than 3.0. It was also reported that 72 of a random sample of 111 students enterin the College of Computing with a B average had lost their HOPE scholarship by the end of the first year. Is there convincing evidence that the proportion who lose HOPE scholarships is different for the College of Computing than for the Ivan Allen College? (Use the 4-step process) State: Plan: Do: Conclude: b)Given your conclusion above, which type of error, Type I or Type II, is it possible to make? Describe that error in the…The data processing department of the Arizona Bank has five data entry clerks. Each working day their supervisor verifies the accuracy of a random sample of 250 records. A record containing one or more errors is considered defective and must be redone. The results of the last 30 samples are shown in the table. All were checked to make sure that none was out of control. Sample Number of DefectiveRecords Sample Number of DefectiveRecords Sample Number of DefectiveRecords Sample Number of DefectiveRecords 1 2 3 4 5 6 7 8 7 5 19 10 11 8 12 9 9 10 11 12 13 14 15 16 6 13 18 5 16 4 11 8 17 18 19 20 21 22 23 12 4 6 11 17 12 6 24 25 26 27 28 29 30 Total 7 13 10 14 6 11 9 300 a. Based on these historical data, set up a p-chart using z = 3.b. Samples for the next 4 days showed the following: Sample Number of Defective Records Tues Wed Thurs Fri 17 15 22 21 What is the supervisor’s assessment of the data-entry process likely to be?
