Question
Find the mean of this data set
12, 14, 14, 15, 15, 15, 16, 19
12, 14, 14, 15, 15, 15, 16, 19
Answers
GPT-4o mini
To find the mean of a data set, you need to follow these steps:
1. **Sum all the values in the data set.**
2. **Divide the sum by the number of values.**
For the given data set: \( 12, 14, 14, 15, 15, 15, 16, 19 \)
**Step 1: Calculate the sum.**
\[
12 + 14 + 14 + 15 + 15 + 15 + 16 + 19 = 12 + 14 + 14 + 15 + 15 + 15 + 16 + 19 = 120
\]
**Step 2: Count the number of values.**
There are 8 values in this data set.
**Step 3: Divide the sum by the number of values.**
\[
\text{Mean} = \frac{\text{Sum}}{\text{Number of values}} = \frac{120}{8} = 15
\]
Thus, the mean of the data set is \( 15 \).
1. **Sum all the values in the data set.**
2. **Divide the sum by the number of values.**
For the given data set: \( 12, 14, 14, 15, 15, 15, 16, 19 \)
**Step 1: Calculate the sum.**
\[
12 + 14 + 14 + 15 + 15 + 15 + 16 + 19 = 12 + 14 + 14 + 15 + 15 + 15 + 16 + 19 = 120
\]
**Step 2: Count the number of values.**
There are 8 values in this data set.
**Step 3: Divide the sum by the number of values.**
\[
\text{Mean} = \frac{\text{Sum}}{\text{Number of values}} = \frac{120}{8} = 15
\]
Thus, the mean of the data set is \( 15 \).