HSCI 190 - Practice Test Questions With
Correct Answers
Interval variables contain a true zero. True of false? - CORRECT ANSWER✔✔-False
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Which of the following statements are true with respect to ordinal data?
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The numbers represent categories
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The order of the values have meaning
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The distance between values can be calculated
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The numbers represent actual measurable quantities - CORRECT ANSWER✔✔-All
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are true
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Which of the following would be the best measure of dispersion or spread for a
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study evaluating quality of life on a 1 to 5 scale?
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Standard error |
Interquartile range |
Variance
Standard deviation - CORRECT ANSWER✔✔-Interquartile range
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Birth weights (lbs) is an example of what level of measurement? - CORRECT
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ANSWER✔✔-Ratio data |
Which of the following is often used frame data?
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, Relative values |
Median as average | |
Variance instead of standard deviation
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Absolute values - CORRECT ANSWER✔✔-Relative values
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Growth charts are an example of what type of graph?
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Two-way scatter plot | |
Histogram
Absolute frequency polygon | |
Cumulative frequency polygon - CORRECT ANSWER✔✔-Cumulative frequency
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polygon
Jordan, a graduate student in biomedical and molecular sciences, is conducting a
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study exploring the plasma testosterone concentrations in adult male rats. Jordan
| | | | | | | | | |
|is wants to visualize how the testosterone concentration (ng/ml) changed over
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time. What type of graph would best display Jordan's data?
| | | | | | | | |
Cumulative frequency polygon | |
Histogram
Line graph |
Box plot - CORRECT ANSWER✔✔-Line graph
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An absolute frequency table shows what?
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The total count or number of observations per category
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The sum of counts up to a certain interval
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Correct Answers
Interval variables contain a true zero. True of false? - CORRECT ANSWER✔✔-False
| | | | | | | | | | |
Which of the following statements are true with respect to ordinal data?
| | | | | | | | | | |
The numbers represent categories
| | |
The order of the values have meaning
| | | | | |
The distance between values can be calculated
| | | | | |
The numbers represent actual measurable quantities - CORRECT ANSWER✔✔-All
| | | | | | | | |
are true
|
Which of the following would be the best measure of dispersion or spread for a
| | | | | | | | | | | | | | |
study evaluating quality of life on a 1 to 5 scale?
| | | | | | | | | |
Standard error |
Interquartile range |
Variance
Standard deviation - CORRECT ANSWER✔✔-Interquartile range
| | | | |
Birth weights (lbs) is an example of what level of measurement? - CORRECT
| | | | | | | | | | | | |
ANSWER✔✔-Ratio data |
Which of the following is often used frame data?
| | | | | | | |
, Relative values |
Median as average | |
Variance instead of standard deviation
| | | |
Absolute values - CORRECT ANSWER✔✔-Relative values
| | | | |
Growth charts are an example of what type of graph?
| | | | | | | | |
Two-way scatter plot | |
Histogram
Absolute frequency polygon | |
Cumulative frequency polygon - CORRECT ANSWER✔✔-Cumulative frequency
| | | | | | |
polygon
Jordan, a graduate student in biomedical and molecular sciences, is conducting a
| | | | | | | | | | | |
study exploring the plasma testosterone concentrations in adult male rats. Jordan
| | | | | | | | | |
|is wants to visualize how the testosterone concentration (ng/ml) changed over
| | | | | | | | | | |
time. What type of graph would best display Jordan's data?
| | | | | | | | |
Cumulative frequency polygon | |
Histogram
Line graph |
Box plot - CORRECT ANSWER✔✔-Line graph
| | | | |
An absolute frequency table shows what?
| | | | |
The total count or number of observations per category
| | | | | | | |
The sum of counts up to a certain interval
| | | | | | | |
