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Question
Which of the following is NOT an assumption for the simple linear regression model?
A) The individual error terms are statistically independent.
B) The distribution of the error terms will be skewed left or right depending on the shape of the dependent variable.
C) The error terms have equal variances for all values of the independent variable.
D) The mean of the dependent variable value for all levels of x can be connected by a straight line.
Answer
This answer is hidden. It contains 10 characters.
Related questions
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Data collected using open-end questions is generally easier to analyze than data collected from closed-end questions.
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An accountant has recently prepared a report for a client that contains a variety of graphs and charts. In doing so, she has used descriptive statistical methods.
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Descriptive statistics allow a decision maker to reach a conclusion about a population based on a subset from the population.
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A) a pie chart.
B) a bar chart.
C) a histogram.
D) an ogive.
Q:
Which of the following is true about the difference between stem and leaf diagrams and histograms?
A) There is no difference.
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D) The stem and leaf diagram shows less information than a histogram.
Q:
Which of the following is a false statement?
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In forming the classes for a frequency distribution and histogram, suppose there were a number of empty classes. You should:
A) increase the class width.
B) decrease the class width.
C) keep the current class width.
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A histogram is used to display which of the following characteristics for a quantitative variable?
A) The approximate center of the data
B) The spread in the data
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