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Question
In conducting a Kruskal-Wallis one-way analysis of variance, the test statistic is assumed to have approximately which distribution when the null hypothesis is true?
A) A t-distribution
B) An F-distribution
C) A normal distribution
D) A chi-square distribution
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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When an interviewer asks a specified series of questions in the course of a personal interview, he/she is conducting an unstructured interview.
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Descriptive statistical tools include graphs, charts, and numerical measures.
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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 stem and leaf diagram is an alternative to using:
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:
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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.
D) use an ogive instead.
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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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What are the major categories of statistical tools that will be covered in this course?
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Which of the following statements is true?
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