SS2 Economics First term mid,2025b

1. a Calculate the arithmetic mean of the following set of numbers: 8,16,24,8,12,12,18, 24,10,16,20,24,24, 24,12,16,24,18,18, 12.

B. Give the reasons why mean is important.

2. Calculate the mean of the the following marks scored by students in an Economics Examination.8,31, 45,38,22,28,16,51, 65,48,6,24,18,12,16,48,38,50,44,6,18, 16,24,32,36,26,14, 20,12,18.

b. Prepare a frequency table b. Calculate the arithmetic mean.

3.What is Median?

b Use the table on the board to answer question 3b.

A.find the cumulative frequency. .b.)determine your terminal last and state what it is. C) calculate the median.