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Statistics PSY302 Quiz Chapters 2
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1. The mean, mode and median are examples of measures of:
The middle Central Tendency Variability A & B All of the above
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1. The mean, mode and median are examples of measures of:
The middle Central Tendency Variability A & B All of the above
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2. The Mean is sometimes represented by:
sign The Greek letter Sigma Σ The letter M X All of the above
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2. The Mean is sometimes represented by:
sign The Greek letter Sigma Σ The letter M X All of the above
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3. The Mean of these four numbers is:
1 2 3 4 5 5 4 3 8
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3. The Mean of these four numbers is:
1 2 3 4 5 5 4 3 8
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4. An _____ is the one value that represents an entire group of scores.
Raw score Individual score Average mode Maximum value
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4. An _____ is the one value that represents an entire group of scores.
Raw score Individual score Average mode Maximum value
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5. The median is also known as the ____th percentile.
25 50 75 82 9
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5. The median is also known as the ____th percentile.
25 50 75 82 9
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6. Height, income, age, percent correct on the final are examples of ____ data.
Categorical Nominal Ordinal Quantitative All of the above
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6. Height, income, age, percent correct on the final are examples of ____ data.
Categorical Nominal Ordinal Quantitative All of the above
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7. An example of categorical data is
John is a sophomore Mellody has a 3.21 GPA Tyrone has completed 48 hours Ulrike weighs 121 pounds All of the above
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7. An example of categorical data is
John is a sophomore Mellody has a 3.21 GPA Tyrone has completed 48 hours Ulrike weighs 121 pounds All of the above
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8. Use the ____ to determine the middle when you have extreme scores and you don’t want to distort the average. Median Mean Mode Standard Deviation All of the above
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8. Use the ____ to determine the middle when you have extreme scores and you don’t want to distort the average. Median Mean Mode Standard Deviation All of the above
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9. Use the ___ as a measure of central tendency when the data are categorical in nature and values can fit only into one class. Median Mean Mode Standard Deviation All of the above
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9. Use the ___ as a measure of central tendency when the data are categorical in nature and values can fit only into one class. Median Mean Mode Standard Deviation All of the above
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10. Use the ___ as a measure of central tendency when you have data that do not include extreme scores and are not categorical. Median Mean Mode Standard Deviation All of the above
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10. Use the ___ as a measure of central tendency when you have data that do not include extreme scores and are not categorical. Median Mean Mode Standard Deviation All of the above
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Bonus question. If you score at the 67th percentile that means you are:
Below average Scored higher than 67% of those who were measured Right about 2/3 of the time.
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Bonus question. The frequency distribution below is an example of:
Positively skewed data Negatively skewed data Normally distributed data.
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The End
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Freshman less than 22 Sophomore 22-53 Junior 54-86 Senior 87 or more.
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