Africa Exams
Your Academic Best Friend Across Africa

Home
Ghana

Ghana BECE Exams
Kenya

Kenya KCPE Papers

Kenya KCSE Papers

Kenya KASNEB Papers
Nigeria

WAEC Exams

JAMB Exams
Rwanda

Rwanda Primary Papers

Rwanda Secondary Papers
Uganda

Uganda PLE Papers

Uganda UCE Papers

Uganda UACE Papers
More
About
Contact Us
Our Apps
Privacy

Test Index

JAMB Economics 2018 Paper

Show Para Hide Para

Share question:

© africaexams.com

Question : 54

Total: 85

X	8	10	12	16	18	20	24
F	2	1	4	3	3	1	6

From the table, Calculate the mean?

24.0
17.0
18
27.2

Solution:

Mean= ∑fx/∑f

=(16+10+48+48+54+20+144)/(2+1+4+3+3+1+6)

=340/20

=17.0

By calculation, the mean of the distribution is not 18

© africaexams.com

Go to Question:

Prev Question

Next Question

Ghana BECE Exam Past Papers

Ghana BECE Exams

Kenya KCPE Past Papers
Kenya KCPE Study Notes

Kenya KCPE Papers

Kenya KCSE Past Papers
Kenya KCSE Study Notes

Kenya KCSE Papers

Kenya KASNEB Past Papers
Kenya KASNEB Study Notes

Kenya KASNEB Papers

WAEC Exam Past Papers

WAEC Exams

JAMB Exam Past Papers

JAMB Exams

Rwanda P6 Previous Papers

Rwanda Primary Papers

Rwanda S3 Previous Papers
Rwanda S6 Previous Papers
Rwanda S6 ANP Previous Papers

Rwanda Secondary Papers

Uganda PLE Previous Papers

Uganda PLE Papers

Uganda UCE Previous Papers

Uganda UCE Papers

Uganda UACE Previous Papers

Uganda UACE Papers

About

Contact Us

Our Apps

Privacy

© 2023 Africa Exams