Search SchoolNGR

Economics Past Questions and Answers

Topic: Basic Tools

Exam year:

Question type:

Topics:

Jamb Economics Questions - Basic Tools

Question 6:

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

From the table, Calculate the mean?

SchoolNGR Classroom

A 24.0
B 17.0
C 18
D 27.2

View Answer & Explanation

Question 7:

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

From the table, Calculate the median___________

SchoolNGR Classroom

A 24.0
B 17.0
C 18
D 16

View Answer & Explanation

Question 8:

The mean is the best measure of central tendency because it__________

SchoolNGR Classroom

A Can be calculated from incomplete data
B Is a balancing point in an observation
C Is a midpoint value in an array of data
D Is not affected by extreme values in a data

View Answer & Explanation

Question 9:

If the standard deviation of a given data is 8.2, find its variance_______________

SchoolNGR Classroom

A 82.0
B 91.8
C 67.2
D 4.1

View Answer & Explanation

Question 10:

The graph above shows;

SchoolNGR Classroom

A A decrease in quantity supplied
B An increase in supply
C A decrease in supply
D An increase in quantity

View Answer & Explanation

Stay Updated

Follow us on:

Subjects