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MODE THE MOST COMMON 5 IS THE MODE 3 5 5 6 7 MEDIAN THE MIDDLE VALUE 7 IS THE MEDIAN 2 5 7 7 9 THESE ARE IN ORDER MEDIAN THE MIDDLE VALUE IN ORDER 4 IS THE MEDIAN 6 2 1 6 4 1 2 4 6 6 THESE ARE NOT IN ORDER MEAN STEP 1 FIND THE TOTAL STEP 2 DIVIDE THE TOTAL BY HOW MANY NUMBERS STEP 1 TOTAL = 2+5+7+6 =20 STEP 2 20 / 4 = 5 2 5 7 6 Biggest take away smallest Range = 6 - 1 = 5 3 5 1 6 Range 3 What is the most common number ? 4 3 6 2 3 (The mode) What is the middle number ? 1 2 3 5 7 10 (The median) 11 Subtract the smallest number from the largest number 1 2 3 5 7 10 (The range) 11 mean = 1 To get the mean... Divide total by how many numbers answer total = How many numbers are there? What is the total of these number ? answer 3 3 ÷ 5 8 = After you have put these numbers in order, what is the middle number ? (The median) 1 7 5 2 4 5 5 6 What is the mode ? 4 2 4 4 7 9 5 6 What is the modal value ? 4 2 7 7 7 What is the median of these numbers? 3 Hint : half way between the two middle values 4 6 8 9 9 What is the range of values? 23 5 7 3 6 14 Find the mean of 4 and 12 Find the mean, mode, median and range of these numbers median = mode = 4 4 8 9 mean = range = 10 Frequency What is the modal grade? A B C D E Grades Science 8 6 4 2 0 Pupils tests results in Maths and Science ● ● 2 ● 4 ● Maths What is the range of marks for the Maths test? 6 ● 8 ● 10 ● 12 |