An MP of one city constituency complained in parliament that his constituency consists of mainly poorly paid workers. His colleagues demanded that he substantiates his claim. Mtuwetu hired a statistician who collected data on monthly salaries from a sample of 500 residents of the constituency. The statistician recorded the following data: Monthly salary (ksh 000) No. of residents 0-5 50 5 – 10 170 10 – 15 210 15 – 20 40 20 – 25 20 25 – 30 10 Suppose ksh 8,000 and 22,000 are the divided salary points of lower, middle, and upper-income groups. What proportion of the constituents fall in each of the income groups
An MP of one city constituency complained in parliament that his constituency consists of mainly poorly paid workers. His colleagues demanded that he substantiates his claim. Mtuwetu hired a statistician who collected data on monthly salaries from a sample of 500 residents of the constituency. The statistician recorded the following data:
Monthly salary (ksh 000) No. of residents
0-5 50
5 – 10 170
10 – 15 210
15 – 20 40
20 – 25 20
25 – 30 10
Suppose ksh 8,000 and 22,000 are the divided salary points of lower, middle, and upper-income groups. What proportion of the constituents fall in each of the income groups
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