IGCSE /Grade 9
Maths MCQ Based On Interpreting charts to find mean median mode and range
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IGCSE Grade 9 Maths Interpreting charts to find mean median mode and range
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The range is the largest number minus the smallest number.
The first odd number starts from 1
Mean: Divide the sum of the observations by the number of observations.
To find the mean we must add up all the numbers we’re finding the average of, and then divide by how many numbers there are in that list.
Median: If the number of observations is odd, the median is the middle value. and if the number of observations is even, use this formula [ (n/2) th term + (n/2 + 1) th term]/2 to find the median.
Mode: The value that appears most frequently in a data set.
The range is the difference between the smallest and the largest observation in the data given.
The number that occurs the highest number of times is the mode of the data.
Divide the sum of the observations by the number of observations.
The value that's exactly in the middle of a dataset when it is ordered.
The range is the difference between the highest and the lowest observation in the data group.
Median = Arrange the numbers from least to greatest. Then find the number in the middle.
Mode = Number that appears most often.
Rande = Difference between the greatest number and the least number.
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