Questions from Business Statistics

Q: The Whitcomb Company manufactures a metal ring for industrial engines that usually

The Whitcomb Company manufactures a metal ring for industrial engines that usually weighs about 50 ounces. A random sample of 50 of these metal rings produced the following weights (in ounces). a) Co...

Q: A northwestern distribution company surveyed 53 of its midlevel managers. The

A northwestern distribution company surveyed 53 of its midlevel managers. The survey obtained the ages of these managers, which later were organized into the frequency distribution shown. Determine th...

Q: Suppose 1000 commuters in New York City submit their typical daily commute

Suppose 1000 commuters in New York City submit their typical daily commute time to a transportation research company which then organizes the data into the histogram shown below. Study the histogram a...

Q: Suppose you are an operations manager for a plant that manufactures batteries

Suppose you are an operations manager for a plant that manufactures batteries. Give an example of how you could use descriptive statistics to make better managerial decisions. Give an example of how y...

Q: The following data are shaped roughly like a normal distribution (discussed

The following data are shaped roughly like a normal distribution (discussed in Chapter 6). Construct a frequency distribution starting with 10 as the lowest class beginning point and use a class widt...

Q: In a medium-sized southern city, 86 houses are for

In a medium-sized southern city, 86 houses are for sale, each having about 2000 square feet of floor space. The asking prices vary. The frequency distribution shown contains the price categories for t...

Q: Shipping a 40-foot container by boat from Shanghai to Chicago

Shipping a 40-foot container by boat from Shanghai to Chicago via the port of Los Angeles takes, on average, 16 days. However, due to several possible mitigating circumstances, shipping times can vary...

Q: Good, relatively inexpensive prenatal care often can prevent a lifetime of

Good, relatively inexpensive prenatal care often can prevent a lifetime of expense owing to complications resulting from a baby’s low birth weight. A survey of a random sample of 57 new mothers asked...

Q: A consumer group surveyed food prices at 87 stores on the East

A consumer group surveyed food prices at 87 stores on the East Coast. Among the food prices being measured was that of sugar. From the data collected, the group constructed the frequency distribution...

Q: Shown here are the top seven companies from the construction, farm

Shown here are the top seven companies from the construction, farm machinery industry in the United States and their respective revenue ($ billions). Company ____________ Revenue Caterpillar ………………………...