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Thermostats are subjected to rigorous testing before they are shipped to air conditioning technicians around the world.
The data in the following table is the number of nonconformities (defects) per 1,000 meters in 22 samples of telephone cable found by the Bell source inspector
Search the Internet to find three applications of statistical concepts that you find interesting, that you encounter on a daily basis
Read the Christian year pie chart and write a summary in which you (a) describe the significance of the holy days on the chart.
The data set for our course is a sample of a survey conducted on the population of the American Inmate Union (AIU).
The average length from shoulder to hemline measured 21 inches with a range of 0.5 inches. A sample has just been taken with the following lengths
Suppose a person is selected at random from these graduates. Consider the following events:
A process that is considered to be in control measures an ingreidnet in ounces. Below are the last 10 samples (each of size n =5) taken
In a service company, 50% of the workforce is female and 30% are part time employees. 70% of the part time employees are female.
Garcia’s garage desires to create some colorful charts and graphs to illustrate how reliably its mechanics “get under the hood and fix the problem.”
For the 22 states that produce large numbers of broiler chicken, the following stem-and-leaf plot gives the production in millions of live pounds.
The data consists of a random sample of 50births taken from the 2007 North Carolina Birth Registry. For each variable:
A teacher asked each of her students how many novels they had read in the previous six months. The results are shown below.
Let me tell you a little dirty secret about the mutual dislike between mathematicians and physicists.
Create a stem and leaf plot with the following data:
Construct an ordered stem-and leaf plot of the data.
A professor asked her sophomore students, "How many drinks do you typically have per session?
Explain the principles of statistical thinking. Why is statistical thinking an important managerial skill?
Farmers know that driving heavy equipment on wet soil compresses the soil and injures future crops. Here are data on the "penetrability"
Company ABC had sales per month as listed below. Using the MegaStat output given, determine:
The number of dry cleaning orders picked up at Sunny Fresh Dry Cleaners was sampled over 12 hour periods.
Select a U.S. state (New Mexico), and research the number of deaths involving teens and alcohol on the roadways for the past 5 years in that state.
A company executive has read with interst the finding that the average US office worker receives 36 emails per day
Find the outlier or outliers in this: Find the outlier or outliers in this:
Use the 35 actual high temperatures to construct a stemplot. What does the stemplot suggest about the distribution of the temperatures?