Get premium membership and access questions with answers, video lessons as well as revision papers.

Discuss the techniques of analyzing Data

      

Discuss the techniques of analyzing Data

  

Answers


Martin
1. Calculation of Percentages
-If in the study of a farm 10 hectares are devoted to coffee, what is the % of the area under coffee?
10/100×10%
The table below shows the number of tourists who visited Kenya from various parts of the world in 2006
arithmetic3222019245.png

Advantages
- Easy to calculate for a small data
- Summarises data using a single digit
- Easy to understand and interpret

Disadvantages

- Difficult to calculate for grouped data
- Affected by extreme values

b) Median
-The middle value in a set of data arranged in order.
mn3222019247.png

Advantages
- Easy to calculate in a small data set
- Easy to understand as it’s the value at the middle

Disadvantages
- Difficult to calculate in a large data set
- Doesn’t show data distribution

b) Calculation of Ranges
-Difference between the largest and smallest values. Calculate the range of for the data above.

c) Mode
-Most frequently recurring value in a set of data.
10, 2, 5, 9, 10, 11, 20, 15, 18, 10.
The mode is 10.

Advantages
- Easy to find as no calculation is involved
- Easy to understand

Disadvantage
- Rarely used as a measure of central tendency
marto answered the question on March 22, 2019 at 09:50


Next: A student was heard saying “the mass of a ball on the moon is one sixth its mass on earth”. Give a reason why this...
Previous: In the study of a free fall, it is assumed that the force f acting on a given body of mass m is gravitational, given...

View More Geography Questions and Answers | Return to Questions Index


Learn High School English on YouTube

Related Questions