Report Poor Test Quality

See the following text/image to answer questions 1 through 5

Following chart represents defects found in the production of cars in a car company.

Question 1:
Which defect is almost constant over the years?
	Paint		Wiring
	Break		None of them

Question 2:
Which defect was occurring the least in the year 2001?
	Break		Wiring
	Paint		Transmission

Question 3:
Which defect continued to worsen over the years?
	Paint		Wiring
	Break		None of them

Question 4:
The company applied techniques to improve paint defects. When did they see improvements in the paint defects?
	2004		2005
	2006		2008

Question 5:
How much improvement did the company see after they improved paint defects?
	Defects reduced to 25%		Defects reduced to 200%
	Defects reduced to 75%		Defects reduced to 50%

Question 6:
What is the average number of students selected from each grade?
	4		4.2
	4.5		5

Question 7:
Each point in the following line plot represents 1,000 people. How many people are more then 80 years old?
	3,000		4,000
	2,000		1,000

Question 8:
How many people are older then 60 and younger then 80? (Each point = 1,000 people.)
	8,000		3,000
	5,000		4,000

Question 9:
Calls received in a customer service department are plotted in the following plot. Each point represents 100 calls. What is the average number of calls during the week?
	450		600
	580		725

Question 10:
Calls received in a customer service department are plotted in the following plot. Each point represents 100 calls. If one person can handle ~200 calls, how many full time employees should the company hire so that all calls can be handled effectively everyday?
	3		4
	15		6