skip to main |
skip to sidebar
###
Problem Solving - 53

A student worked 20 days. For each of the amount shown (see attached table) in the first row of the table, second row gives the number of days the student earned that amount. Median amount of money earned per day for 20 days is? A) 96 B) 84 C) 80 D) 70 E) 48Answer: BMedian day = 20+1)/2 = 10.5 th -- money earned was 84= Average value of 10th and 11th day in the sequence = Median amount of money Average value of 10th day = 84 Average value of 11th day = 84 Average value of 10th and 11th day = 84 ans