Measures Of Central Tendency & Spread

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| By Dana Deuitch
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Dana Deuitch
Community Contributor
Quizzes Created: 3 | Total Attempts: 2,367
| Attempts: 104
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  • 1/9 Questions

    Use the following set of data for all the questions:{4,5,5,5,5,6,7,7,7,8,9,11}Find Range

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About This Quiz

One Variable Statistics - Measures of Central Tendency and Measures of Spread

Measures Of Central Tendency & Spread - Quiz

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  • 2. 

    Use the following set of data for all the questions:{4,5,5,5,5,6,7,7,7,8,9,11}Find the mode

    Explanation
    The most common value

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  • 3. 

    Use the following set of data for all the questions:{4,5,5,5,5,6,7,7,7,8,9,11}Find Q1

    Explanation
    Q1 is the median of the lower half of the data

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  • 4. 

    Use the following set of data for all the questions:{4,5,5,5,5,6,7,7,7,8,9,11}Find the median

    Explanation
    Find the middle value. (in this case halfway between the two middle values)

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  • 5. 

    Use the following set of data for all the questions:{4,5,5,5,5,6,7,7,7,8,9,11}Find Q2

    Explanation
    Q2 is the median of the whole list

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  • 6. 

    Use the following set of data for all the questions:{4,5,5,5,5,6,7,7,7,8,9,11}Find the mean (correct to 2 decimal places)

    Explanation
    Add them all up and divide by the number of items.

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  • 7. 

    Use the following set of data for all the questions:{4,5,5,5,5,6,7,7,7,8,9,11}Find IQR

    Explanation
    IQR = Q3 - Q1

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  • 8. 

    Use the following set of data for all the questions:{4,5,5,5,5,6,7,7,7,8,9,11}Find Standard Deviation (correct to 2 decimal places)

    Explanation
    First find the sum of all the x squared values (565), subtract the count (12) times the mean (6.5833333) squared, then divide by the count (12), and finally take the square root.

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  • 9. 

    Use the following set of data for all the questions:{4,5,5,5,5,6,7,7,7,8,9,11}Find Q3

    Explanation
    Q3 is the median of the upper half of the data

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 02, 2015
    Quiz Created by
    Dana Deuitch

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