BMAL 590 QUANTITATIVE RESEARCH TECHNIQUES AND STATISTICS EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS
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Course
BMAL 590
Institution
BMAL 590
BMAL 590 QUANTITATIVE RESEARCH TECHNIQUES AND STATISTICS EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS
A company has developed a new computer sound card whose average lifetime is unknown. In order to estimate this average, 200 sound cards are randomly selected from a large production line an...
bmal 590 quantitative research techniques and stat
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BMAL 590 QUANTITATIVE RESEARCH TECHNIQUES AND
STATISTICS EXAM QUESTIONS AND ANSWERS WITH
COMPLETE SOLUTIONS
A company has developed a new computer sound card whose average lifetime is unknown. In order to
estimate this average, 200 sound cards are randomly selected from a large production line and tested;
their average lifetime is found to be 5 years. The five years represents a
Statistics
A summary measure that is computed from a population is called a
Parameter
Which of the following is a measure of the reliability of a statistical inference?
A significance level
The process of using sample statistics to draw conclusions about population parameters is called
Doing inferential statistics
Which of the following represents a population, as opposed to a sample?
All registered voters in the State of Michigan
, A study in under way to determine the average height of all 32,000 adult pine trees in a certain
national forest. The heights of 500 randomly selected adult pine trees are measured and analyzed. The
sample in this study is
The 500 adult pine trees selected at random selected at random from this forest
The significance level of a statistical inference measures
The proportion of times a conclusion about a population will be wrong in the long run
The confidence level of a statistical inference measures
The proportion of times an estimation procedure will be correct in the long run
A marketing research firm selects a random sample of adults and asks them a list of questions
regarding their beverage preferences. What type of data collection is involved here?
A survey
Which of the following statements is true regarding the design of a good survey?
All of these choices are true
Which method of data collection is involved when a researcher counts and records the number of
students wearing backpacks on campus on a given day?
Direct observation
The difference between a sample mean and the population mean is called
Sampling error
The manager of the customer service division of a major consumer electronics company is interested
in determining whether the customers who have purchased a videocassette recorder over the past 12
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