BMAL 590 QUANTITATIVE RESEARCH TECHNIQUES AND STATISTICS LATEST UPDATE QUESTIONS WITH COMPLETE SOLUTIONS
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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 - CORRECT ANSWER St...
bmal 590 quantitative research techniques and stat
quantitative research techniques
bmal 590 quantitative research techniques and stat
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BMAL 590 QUANTITATIVE RESEARCH
TECHNIQUES AND STATISTICS 2024-2025 LATEST
UPDATE QUESTIONS 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 - CORRECT ANSWER Statistics
A summary measure that is computed from a population is called a - CORRECT
ANSWER Parameter
Which of the following is a measure of the reliability of a statistical inference? -
CORRECT ANSWER A significance level
The process of using sample statistics to draw conclusions about population
parameters is called - CORRECT ANSWER Doing inferential statistics
Which of the following represents a population, as opposed to a sample? - CORRECT
ANSWER 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 - CORRECT ANSWER The 500
adult pine trees selected at random selected at random from this forest
The significance level of a statistical inference measures - CORRECT ANSWER The
proportion of times a conclusion about a population will be wrong in the long run
The confidence level of a statistical inference measures - CORRECT ANSWER 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? - CORRECT ANSWER A survey
, BMAL 590 QUANTITATIVE RESEARCH
TECHNIQUES AND STATISTICS 2024-2025 LATEST
UPDATE QUESTIONS WITH COMPLETE SOLUTIONS
Which of the following statements is true regarding the design of a good survey? -
CORRECT ANSWER 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? - CORRECT
ANSWER Direct observation
The difference between a sample mean and the population mean is called - CORRECT
ANSWER 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 months are satisfied with their products. If
there are four different brands of videocassette recorders made by the company, the
best sampling strategy would be to use a - CORRECT ANSWER Stratified random
sample
When every possible sample with the same number of observations is equally likely to
be chosen, the result is called a - CORRECT ANSWER Simple random sample
Which of the following types of samples is almost always biased? - CORRECT
ANSWER Self-selected samples
Which of the following is an example of a nonsampling error? - CORRECT ANSWER
All of these choices are true
Which of the following situations lends itself to cluster samples? - CORRECT
ANSWER All of these choices are true
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