The Number of Faulty Items Returned to a Manufacturer of Electric

question 48

Essay

The number of faulty items returned to a manufacturer of electric goods in the last 15 years is as follows: $$\begin{array} { c r } \text { Year } & \text { No. of faulty items } \\1996 & 27 \\1997 & 35 \\1998 & 34 \\1999 & 39 \\2000 & 43 \\2001 & 42 \\2002 & 40 \\2003 & 41 \\2004 & 45 \\2005 & 47 \\2006 & 46 \\2007 & 50 \\2008 & 49 \\2009 & 52 \\2010 & 52\end{array}$$ a. Construct a relative frequency bar chart for these data.
b. Construct a line chart.

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Definitions:

Capital Resources

Assets such as machinery, buildings, and equipment used to produce goods and services.

Per Capita Income

The per capita income in a particular area or country, found by taking the total revenue generated in that area and dividing it by the population size.

Purchasing Power Parity

An economic theory that compares different countries' currencies through a "basket of goods" approach to determine the relative value of the currencies.

Per Capita Income

measures the average income earned per person in a given area in a specified year.