Answer:
B. {2, 5, 6, 9}
Step-by-step explanation:
Mean: the sum of all numbers divided by the amount of numbers.
Median: The number between the two middle numbers
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Mean: {2 + 5 + 6 + 9} = 22 ÷ 4 = 5.5.
Median: The median of this data set will be 5.5 because it is in between 5 and 6
