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Elementary Statistics A Step By Step Approach 10th Edition Allan G. Bluman - Solutions
Pizza sizes (small, medium, and large)Determine whether the data are qualitative or quantitative.
Sizes of soft drinks sold by a fast-food restaurant (small, medium, and large)Determine whether the data are qualitative or quantitative.
Name and define the four types of measurement levels used in statistics.
Why are continuous variables rounded when they are used in statistical studies?
Explain the difference between qualitative variables and quantitative variables.
Forty-four percent of the people in the United States have type O blood.Determine whether descriptive or inferential statistics were used.
A survey of 1507 smartphone users showed that 38% of them purchased insurance at the same time as they purchased their phones.Determine whether descriptive or inferential statistics were used.
A study conducted by a research network found that people with fewer than 12 years of education had lower life expectancies than those with more years of education.Determine whether descriptive or inferential statistics were used.
The Centers for Disease Control and Prevention estimated that for a specific school year, 7% of children in kindergartens in the state of Oregon had nonmedical waivers for vaccinations.Determine whether descriptive or inferential statistics were used.
A recent article stated that over 38 million U.S. adults binge-drink alcohol.Determine whether descriptive or inferential statistics were used.
Based on a sample of 2739 respondents, it is estimated that pet owners spent a total of 14 billion dollars on veterinarian care for their pets.Determine whether descriptive or inferential statistics were used.
In a weight loss study using teenagers at Boston University, 52% of the group said that they lost weight and kept it off by counting calories.Determine whether descriptive or inferential statistics were used.
In 2025, the world population is predicted to be 8 billion people.Determine whether descriptive or inferential statistics were used.
Because of the current economy, 49% of 18- to 34- yearolds have taken a job to pay the bills.Determine whether descriptive or inferential statistics were used.
What is meant by a biased sample?
Why is information obtained from samples used more often than information obtained from populations?
Name three areas where probability is used.
How does a population differ from a sample?
What is meant by a census?
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