Onlinetuition.com Mathematics – Form 1, 2 & 3
12.2.3 Measures of Central Tendencies, PT3 Focus Practice Question 6: Diagram below is a pie chart which shows the proportion of money allocated to five clubs. The total amount of money allocated to Swimming Club and Squash Club is RM1800. Calculate the total amount of money allocated to the five clubs. Solution: Sum of the … Read more
Question 4: Table below shows the scores for a group of pupils in a sport game. Score 1 2 3 4 5 Number of pupils 4 11 5 3 2 Calculate the percentage number of pupils who obtain scores more than the mode score. Solution: Mode score = 2 Number of pupils who obtain … Read more
12.2.1 Measures of Central Tendencies, PT3 Focus Practice Question 1: Given that the mode of the set of data 7, 5, 3, 2, 3, y, 7, 6 and 5 is 7, find the mean. Solution: If the mode is 7, then y = 7 ∴ Mean = 7 + 5 + 3 + 2 … Read more
12.1.2 Mode, Median and Mean 1. The mode of a set of data is the value of item which occurs most frequently. Example: 3, 7, 6, 9, 7, 1, 5, 7, 2 Mode = 7 2. When a set of data is given in a frequency table, the value or item which has … Read more
12.1 Measures of Central Tendencies 12.1.1 Pie Charts 1. A pie chart is a graphic representation of data using sectors of a circle. The size of each sector shows the percentage of each category of data it represents. Example: 2. The percentage of data represented by each sector can … Read more