Using ?VehicleFailureData? available on the course website, answer the

following:

a)

Classify each variable as nominal, ordinal, interval

or ratio.

b)

Identify qualitative and quantitative variables.

c)

How many vehicles failed in month

-

9?

d)

What was the

minimum and

maximum

labor cost?

e)

What was the total failure cost

(material+labor)

for the data

available?

POM 212 Business Statistics Homework Assignment-1 Note: Homework is due on the day of Test-1. Chapter-1 Problems 1 Using 'VehicleFailureData' available on the course website, answer the following: a) b) c) d) e) 2 Classify each variable as nominal, ordinal, interval or ratio. Identify qualitative and quantitative variables. How many vehicles failed in month-9? What was the minimum and maximum labor cost? What was the total failure cost (material+labor) for the data available? 3 Chapter-2 Problems: 4 Using 'VehicleFailureData', summarize the data for failures in top 10 states by constructing the following: Relative and percent frequency distributions Bar chart Pie chart Find top three states with vehicles failures Chapter-3 Problems: 5 Using 'VehicleFailureData', summarize 'Mileage at Failure' by obtaining: Mean Median Mode 10th percentile 90th percentile 1st quartile 3rd quartile Range Standard deviation 6 Closing stock market prices for Apple and Microsoft during a week in January 2012 were as given below: Apple Microsoft $447.28 $29.23 $444.63 $29.50 $446.66 $29.56 $420.41 $29.34 $427.41 $29.73 Calculate coefficient of variation for each company. 7 8