The Commerce Department reported receiving the following applications for the Malcolm Baldrige National Quality Award: 23 from large manufacturing firms, 18 from large service firms, and 30 from small businesses. a. Is type of business a categorical or quantitative variable? b. What percentage of the applications came from small businesses? Figure 1.8 provides a bar chart showing the amount of federal spending for the years 2002 to 2008 (USA Today, February 5, 2008). a. What is the variable of interest? b. Are the data categorical or quantitative? c. Are the data time series or cross-sectional? d. Comment on the trend in federal spending over time. The Food and Drug Administration (FDA) reported the number of new drugs approved over an eight-year period (The Wall Street Journal, January 12, 2004). Figure 1.9 provides a bar chart summarizing the number of new drugs approved each year. a. Are the data categorical or quantitative? b. Are the data time series or cross-sectional? c. How many new drugs were approved in 2003? d. In what year were the fewest new drugs approved? How many? e. Comment on the trend in the number of new drugs approved by the FDA over the eight-year period.
The Commerce Department reported receiving the following applications for the Malcolm
Baldrige National Quality Award: 23 from large manufacturing firms, 18 from large service firms, and 30 from small businesses.
a. Is type of business a categorical or quantitative variable?
b. What percentage of the applications came from small businesses?
Figure 1.8 provides a bar chart showing the amount of federal spending for the years 2002
to 2008 (USA Today, February 5, 2008).
a. What is the variable of interest?
b. Are the data categorical or quantitative?
c. Are the data time series or cross-sectional?
d. Comment on the trend in federal spending over time.
The Food and Drug Administration (FDA) reported the number of new drugs approved
over an eight-year period (The Wall Street Journal, January 12, 2004). Figure 1.9 provides
a bar chart summarizing the number of new drugs approved each year.
a. Are the data categorical or quantitative?
b. Are the data time series or cross-sectional?
c. How many new drugs were approved in 2003?
d. In what year were the fewest new drugs approved? How many?
e. Comment on the trend in the number of new drugs approved by the FDA over the
eight-year period.
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