Find variance of the number of accidents in these years

Reference no: EM13903094

The following data give the worldwide number of fatal airline accidents of commercially scheduled air transports in the years from 1997 to 2005.

Year	1997 1998	1999	2000	2001	2002	2003	2004	2005
Accidents	25 20	21	18	13	13	7	9	18

Find the sample variance of the number of accidents in these years.

Reference no: EM13903094

Questions Cloud

Will low of standard costs result in improve profit margins : Will the lowering of the standard costs (by reducing the standard time for the assembly operations) result in improved profit margins and increased productivity?

The onset and severity of the great depression in the us : 11. What role did the following play in the onset and severity of the Great Depression in the US? ? Monetary policy.

How much force must he exert on the small piston : Imagine a hydraulically operated dentist's chair having a mass of 200.0 kg, and in it is sitting a 54.8-kg patient. The large piston beneath the chair has a diameter of 5.00 cm, whereas the small piston, moved by a pedal on which the dentist steps..

Is joe adamss behavior regarding cost information he provide : Is Joe Adams's behavior regarding the cost information he provided to Doug Gilbert unethical? Explain your answer.

Find variance of the number of accidents in these years : The following data give the worldwide number of fatal airline accidents of commercially scheduled air transports in the years from 1997 to 2005 - Find the sample variance of the number of accidents in these years.

Compute amount of total overhead applly under normal costing : Compute the amount of total overhead applied under normal costing for each quarter. What was the estimated overhead for the year for the predicted capacity of 800 million units?

Discuss the ethical implications of clinical efficiency : Discuss the ethical implications of clinical efficiency research

How does it title accounts receivable : Refer to the financial statements and notes of Polaris in Appendix A.

What is the tension in the rope : If the spring has a spring constant of 515 N/m, to the nearest tenth of a cm how far is it stretched?

User Account

All Pages