Find the natural logarithm of each data value

Assignment Help Operation Management

Reference no: EM131811080

Question: Refer to the data for problem. Continue using the logarithms of the lengths of calls

a. Find the F statistic and its numbers of degrees of freedom.

b. Find the critical value from the F table at the 5% level.

c. Report the result of the F test at the 5% level.

d. Summarize what this test has told you about any differences among these types of calls.

Problem: In an attempt to regain control of your time, you have been recording the time required, in minutes, to respond to each telephone call for the day. Before you make changes (such as referring certain types of calls to subordinates), you would like to have a better understanding of the situation. With calls grouped by type, the results for call lengths were as shown in Table.

a. Draw box plots on the same scale for these four types of calls and describe the structure you see.

b. Compute the average and standard deviation for each type of call.

c. Which type of call appears to have the highest average length? Which has the lowest?

d. Are the assumptions of normal distribution and equal variability for the one-way analysis of variance satisfied for this data set? Why or why not?

e. Find the natural logarithm of each data value and draw box plots for these logarithms.

f. Is the assumption of equal variability better satisfied using logarithms than using the original data?

Reference no: EM131811080

Questions Cloud

Describe a method of knowledge management : Describe a method of knowledge management that you have been exposed to in an organization you worked for.

Explain congress intent for enacting the amt : What adjustment does a corporation make if ACE is more than preadjustment AMTI

Define human resource management : Define human resource management. Describe how HR has changed throughout the years.

Difference between mission and vision statement : Please explain the difference between mission and vision statement, note at the www.jcrew.com website, a vision is not given.

Find the natural logarithm of each data value : In an attempt to regain control of your time, you have been recording the time required, in minutes, to respond to each telephone call for the day.

Benefits of a firm engaging in strategic planning : Please state four financial and four nonfinancial benefits of a firm engaging in strategic planning, explain why both internal & external factors

Explain your interpretation of the origin of the universe : Explain and support your interpretation of the origin of the universe. Express how your understanding of the origin of the universe impacts your worldview.

Analyze frequency distributions of data provided : How many participants were aged 30-39 years? What percent of participants were 49 years old or younger?

Public good by mark rosenman : Refer to the following article: How Social Impact Bonds put Private Profit ahead of Public Good by Mark Rosenman

User Account

All Pages