Question
Find the mean, median, mode and range
21, 62, 66, 66, 79, 28, 63, 48, 59, 94, 19
- Mean: 57, median: 62, mode: 66, range: 75
- Mean: 55, median: 62, mode: 66, range: 75
- Mean: 55, median: 63, mode: 66, range: 75
- Mean: 55, median: 62, mode: none, range: 75
Hint:
Mean is the average of the given numbers and is calculated by dividing the sum of given numbers by the total number of numbers.
The median is the middle number in a sorted, ascending or descending list of numbers.
The mode is the value that appears most frequently in a data set.
Range = maximum value - minimum value .
The correct answer is: Mean: 55, median: 62, mode: 66, range: 75
Arranging the data in the increasing order we get,
19, 21, 28, 48, 59, 62, 63, 66, 66, 79, 94
Maximum value = 94 ,minimum value = 19
Range = maximum value - minimum value = 94 - 19 = 75.
Mean = 
Mode is 94 as it repeats a maximum number of times ( = 2).
The median of the data with 11(5+1+5) elements (11 is odd) is the 6th element.
Median = 62
Therefore, The mean is 55, median: 62, mode: 66, range: 75
Therefore, The mean is 55, median: 62, mode: 66, range: 75
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