EP BUSINESS STATISTICS:FIRST COURSE-ACC
8th Edition
ISBN: 9780135179802
Author: Levine
Publisher: PEARSON CO
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Accounting Today identified top accounting firms in 10 geographic regions across the United States. All 10 regions reported
growth in a recent year. The Southeast and Gulf Coast regions reported growths of 12.49% and 9.78%, respectively. A
characteristic description of the accounting firms in the Southeast and Gulf Coast regions included the number of partners in the
firm. The file [Accounting Partners 2] contains the number of partners. Source: Data extracted from Accounting Today, "The 2019
Top Firms and Regional Leaders," available at bit.ly/2XdQVVW.
Number of Partners
Region
Southeast
Southeast
Southeast
Southeast
Southeast
Southeast
Southeast
Southeast
Southeast
Southeast
Southeast
Southeast
Southeast
Southeast
Southeast
Southeast
Southeast
Southeast
Southeast
Southeast
Southeast
Southeast
Gulf Coast
Gulf Coast
Gulf Coast
Gulf Coast
Gulf Coast
Gulf Coast
Gulf Coast
Gulf Coast
Gulf Coast
Gulf Coast
Gulf Coast
Gulf Coast
Gulf Coast
Gulf Coast
Gulf Coast
Gulf Coast
Gulf Coast
Gulf…
How Panel Data is useful to control some types of omitted variables without actually oberving them?
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- Examine the data elements in contemporary health data terminologiesarrow_forwardGlobally, numerous people died in road traffic crashes every year. For the betterment of the public at large, ways to alleviate the frequency and severity of traffic crashes have been the primary concerns of many governments. In fact, many traffic crashes can be avoided with the implementation of effective policies and regulations. Assume that a dataset is collected for traffic crash analysis. The dataset contains data of severe traffic crashes between 2015 and 2019 in Australia. The description of the dataset is listed in Table 1. Suggest two (2) additional variables that can be included in traffic crash analysis. Explain the rationale of their inclusion. Table 1. Description of the dataset Field Description Experience The driving experience of the driver (Under 7 years/7- 14 years/Over 14 years) Whether the crash involves fatigue driving (True/False) Whether the crash involves drunk or drug driving (True/False) The type of road where the crash occurs (E.g., Highway, Freeway, etc) The…arrow_forwardAbsenteeism: Absenteeism can be a serious employment problem. It is estimated that absenteeism reduces potential output by more than 10%. Two economists launched a research project to learn more about the problem. They randomly selected 100 organizations to participate in a 1-year study. For each organization, they recorded the average number of days absent per employee and several variables thought to affect absenteeism. Management’s goal here is to analyze the data and determine which factors may be helpful in predicting absenteeism. Perform a two-sample t-test analysis to determine if mean absenteeism is different between organizations which have a good Union management and those that do not. I have provided the F-test for two variances below: Copy and paste the Two sample t-test output below AND provide a clear conclusion supported by key statistics in the output about how absenteeism is affected by the Union Management Relationship. (I just need to know how to perform the two…arrow_forward
- Absenteeism: Absenteeism can be a serious employment problem. It is estimated that absenteeism reduces potential output by more than 10%. Two economists launched a research project to learn more about the problem. They randomly selected 100 organizations to participate in a 1-year study. For each organization, they recorded the average number of days absent per employee and several variables thought to affect absenteeism. Management’s goal here is to analyze the data and determine which factors may be helpful in predicting absenteeism. Now let us build a model to predict absenteeism based on key independent variables available in this dataset; wage, PctPT, PctU, Av Shift and U/MRel. Correlation matrix is provided below. Why are the variables AvShift and U/MRel excluded from this correlation matrix? Which variable in the matrix is likely to provide the best simple linear regression model and why? Does the correlation matrix show any evidence of collinearity? Explain. Data:…arrow_forwardAbsenteeism: Absenteeism can be a serious employment problem. It is estimated that absenteeism reduces potential output by more than 10%. Two economists launched a research project to learn more about the problem. They randomly selected 100 organizations to participate in a 1-year study. For each organization, they recorded the average number of days absent per employee and several variables thought to affect absenteeism. Management’s goal here is to analyze the data and determine which factors may be helpful in predicting absenteeism. Now let us build a model to predict absenteeism based on key independent variables available in this dataset; wage, PctPT, PctU, Av Shift and U/MRel The following down below is the correlation matrix between absenteeism and potential independent variables. Why are the variables AvShift and U/MRel excluded from this correlation matrix? Which variable in the matrix is likely to provide the best simple linear regression model and why? Does the…arrow_forwardThe report "Who Borrows Most? Bachelor's Degree Recipients with High Levels of Student Debt"+ reported the following percentiles for amount of student debt for those graduating with a bachelor's degree in 2010. 10th percentile = $0 25th percentile = $0 50th percentile = $11,000 75th percentile = $24,600 90th percentile = $39,300 For each of these percentiles, interpret the value of the percentile. (Select all that apply.) 10th percentile At least 10% of students owe nothing. Less than 10% of students owe nothing. At most 10% of students owe nothing. 25th percentile O At least 25% of students owe nothing. Less than 25% of students owe nothing. At most 25% of students owe nothing. 50th percentile O 50% of the students owe $11,000 or less. O 50% of the students owe exactly $11,000. 50% of the students owe at least $11,000. 75th percentile 75% of the students owe $24,600 or less. 75% of the students owe exactly $24,600. O 75% of the students owe more than $24,600. 90th percentile 90% of…arrow_forward
- Researchers examined the influence of a television program on children's aggressiveness. The number of aggressive responses was measured during an observation period after viewing the television program. Imagine that the known national average for number of aggressive responses typically performed by children who do not watch television is 6.847. Use the data below to conduct an analysis to determine if the number of aggressive responses on average is different from the national average. The data for this study can be found in the data file: nresponses.csv. 1. Is the assumption(s) met? Please explain your answer and proceed with the analysis even if the assumption(s) is not met. 2. What do you conclude from your analysis? 3. Based on your response in “c” above, identify and explain the type of error you could be making.arrow_forwardAn investigator wants to assess the association between caffeine consumption and impaired glucose tolerance, a precursor to diabetes. A study is planned to include seventy participants. Each participant will be surveyed with regard to their daily caffeine consumption. In addition, each participant will submit a blood sample which will be used to measure glucose level. Identify the type of study proposed. Briefly explain why you think the study is of this type. Indicate the study type's specific strengths and weaknesses. Could the study describe be designed as a randomized clinical trial? If so, briefly outline the study design. If not, describe the barriers.arrow_forwardPart D , please.arrow_forward
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