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Question
A frequency histogram should be computed from which type of data?
A) Quantitative data
B) Categorical data
C) Nominal level data
D) Ordinal data
Answer
This answer is hidden. It contains 10 characters.
Related questions
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Data gathered from a structured interview is generally easier to analyze than data collected from an unstructured interview.
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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.
B) The stem and leaf diagram shows more information by showing the individual values.
C) The histogram shows the shape center and spread of the distribution while the stem and leaf does not.
D) The stem and leaf diagram shows less information than a histogram.
Q:
Which of the following is a false statement?
A) A bar chart is usually constructed so that gaps exist between the bars.
B) The bars on a bar chart can be different colors.
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In forming the classes for a frequency distribution and histogram, suppose there were a number of empty classes. You should:
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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
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What are the major categories of statistical tools that will be covered in this course?
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Is there ever a reason why we might prefer to work with a sample rather than with an entire population? Discuss.
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Discuss the two major types of descriptive statistics.
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Which of the following statements is true?
A) Random samples are easier to select than nonstatistical samples.
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The human resources department at a major high tech company plans to conduct an employee satisfaction study by sampling 100 employees from the 3,000 total employees. They plan to use systematic random sampling since the employee file is in alphabetic order. The first employee selected in the study should be:
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One of the major challenges for developing a good written questionnaire or telephone survey instrument is that:
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