Answer:
Mean: 3.94
Median: 3.5
Mode: 3.5
Step-by-step explanation:
Mean:
Add all of the numbers and divide that sum by the number of numbers in the data set
Add:
3.2 + 3.5 + 3.2 + 3.8 + 7.2 + 4.2 + 3.4 + 3.5 +3.5 = 35.5
Divide:
35.5/9 = 3.94
Divide by 9 because there are nine numbers in the data set
Mean: 3.94
Median:
Line up all of the numbers from least to greatest and find the middle
Order:
3.2, 3.2, 3.4, 3.5, 3.5, 3.5, 3.8, 4.2, 7.2
Find the middle:
3.2, 3.2, 3.4, 3.5, 3.5, 3.5, 3.8, 4.2, 7.2
Median: 3.5
Mode:
The most common number in the data set
Look for the most common number:
3.2, 3.2, 3.4, 3.5, 3.5, 3.5, 3.8, 4.2, 7.2
Since '3.5' is featured three times, it is the mode.
Mode: 3.5
