Measures Of Central Tendency & Spread

Approved & Edited by ProProfs Editorial Team
The editorial team at ProProfs Quizzes consists of a select group of subject experts, trivia writers, and quiz masters who have authored over 10,000 quizzes taken by more than 100 million users. This team includes our in-house seasoned quiz moderators and subject matter experts. Our editorial experts, spread across the world, are rigorously trained using our comprehensive guidelines to ensure that you receive the highest quality quizzes.
Learn about Our Editorial Process
| By Dana Deuitch
D
Dana Deuitch
Community Contributor
Quizzes Created: 3 | Total Attempts: 2,030
Questions: 9 | Attempts: 98

SettingsSettingsSettings
Measures Of Central Tendency & Spread - Quiz

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


Questions and Answers
  • 1. 

    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.

    Rate this question:

  • 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 median

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

    Rate this question:

  • 3. 

    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

    Rate this question:

  • 4. 

    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

    Rate this question:

  • 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

    Rate this question:

  • 6. 

    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

    Rate this question:

  • 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

    Rate this question:

  • 8. 

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

    Explanation
    Range = Max - Min

    Rate this question:

  • 9. 

    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.

    Rate this question:

Related Topics

Back to Top Back to top
Advertisement
×

Wait!
Here's an interesting quiz for you.

We have other quizzes matching your interest.