Answers − Mean of Continuous Data

1.		Following is the Weight of a random item. Work out Sum Σ of f, fx and the Mean
		Weight Frequency f 2 < W ≤ 5 4 5 < W ≤ 8 8 8 < W ≤ 11 10 11 < W ≤ 14 3

2.		Following is the cost of a fancy MP3 player. Work out Sum Σ of f, fx and the Mean
		Cost £ Frequency f 0 < C ≤ 50 2 50 < C ≤ 100 8 100 < C ≤ 150 7 150 < C ≤ 200 3

3.		Below is the number of Gadgets in each household. Work out Sum Σ of f, fx and the Mean
		Number of Gadgets Frequency f 0 < G ≤ 4 4 4 < G ≤ 8 10 8 < G ≤ 12 7 12 < G ≤ 16 3

         back to: