Question
Ray's music album had 15 rock songs, 8 karaokes, 12 hip hops, 10 pop songs, 15 lullabies, 13 jingles, and 17 rap songs.
Find the mean, median, mode, and range.
- Mean: 12.9, median: 13, mode: 15, range: 8
- Mean: 12.9, median: 13, mode: 15, range: 9
- Mean: 12.5, median: 13, mode: 15, range: 9
- Mean: 12.9, median: 15, mode: 15, range: 9
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: 12.9, median: 13, mode: 15, range: 9
Arranging the data in the increasing order we get.
8, 10, 12, 13, 15, 15, 17
Maximum value = 17 ,minimum value = 8
Range = maximum value - minimum value = 17 - 8 = 9.
Mean = 
Mode is 15 as it repeats the maximum no.of times ( = 2).
The median of the data with 7(3+1+3) elements (7 is odd) is the 4th element.
Median = 13
Therefore, The mean is 12.9, median: 13, mode: 15, Range: 9
Therefore, The mean is 12.9, median: 13, mode: 15, Range: 9
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