Answer:
Mean: 9
Median: 8
Mode: 5
Step-by-step explanation:
In getting the mean,
The mean is the same as getting the average of the data set.
1. Add all the data values to get the sum
2. Count the numbers you just added
3. Divide the sum by the count
[tex]\frac{18+9+11+5+5+8+7}{7}= \frac{63}{7} = 9[/tex]
The mean is 9.
In getting the median,
1. Arrange the data values from lowest to highest
2. The median is the middle of the set
[tex]5, 5, 7, 8, 9, 11, 18\\[/tex]
8 is in the middle , therefore it is the median
In getting the mode,
Mode is the value or values in the data set that occur most frequently.
There two 5s in the set, therefore the mode is 5.
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Answers & Comments
Answer:
Mean: 9
Median: 8
Mode: 5
Step-by-step explanation:
In getting the mean,
The mean is the same as getting the average of the data set.
1. Add all the data values to get the sum
2. Count the numbers you just added
3. Divide the sum by the count
[tex]\frac{18+9+11+5+5+8+7}{7}= \frac{63}{7} = 9[/tex]
The mean is 9.
In getting the median,
1. Arrange the data values from lowest to highest
2. The median is the middle of the set
[tex]5, 5, 7, 8, 9, 11, 18\\[/tex]
8 is in the middle , therefore it is the median
In getting the mode,
Mode is the value or values in the data set that occur most frequently.
There two 5s in the set, therefore the mode is 5.