I apologize for the errors in my previous responses. Let's correct that.
Answer 1
To find the mean of the dataset {22, 31, 14, 20, 18, 97, 56, 31}, you need to add up all the numbers and divide by the total number of values.
Mean = (22+31+14+20+18+97+56+31)/8 = 289/8 = 36.125
Therefore, the mean of the dataset is 36.125.
Answer 2
To find the median of the dataset {22, 31, 14, 20, 18, 97, 56, 31}, you first need to arrange the numbers in ascending order: 14, 18, 20, 22, 31, 31, 56, 97.
Since there are 8 numbers, the median is the average of the two middle numbers, which are 22 and 31.
Median = (22 + 31)/2 = 53/2 = 26.5
Therefore, the median of the dataset is 26.5.
Answer 3
To find the mode of the dataset {22, 31, 14, 20, 18, 97, 56, 31}, you need to determine the number that appears most frequently.
In this case, the mode is 31.
Therefore, the mode of the dataset is 31.
Answer 4
To find the median of the dataset {1.6, 2.4, 1.9, 0.7, 2.2, 0.7, 1.4, 2.9, 1.9}, you also need to arrange the numbers in ascending order: 0.7, 0.7, 1.4, 1.6, 1.9, 1.9, 2.2, 2.4, 2.9.
Since there are 9 numbers, the median is the middle number, which is the 5th number, 1.9.
Therefore, the median of the dataset is 1.9.
Answer 5
To find the mode of the dataset {1.6, 2.4, 1.9, 0.7, 2.2, 0.7, 1.4, 2.9, 1.9}, the modes are the numbers that appear most frequently.
In this case, the modes are 0.7 and 1.9.
Therefore, the modes of the dataset are 0.7 and 1.9.
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