62, 31, 59, 28, 74,31,45
Mean:         Medaein:            range:           mode:

Let's calculate the mean, median, range, and mode for the given set of numbers: 62, 31, 59, 28, 74, 31, 45.

### 1. Mean:
The mean (average) is calculated by summing all the numbers and dividing by the total count of numbers.

\[
\text{Mean} = \frac{\text{Sum of all numbers}}{\text{Total number of values}}
\]

\[
\text{Mean} = \frac{62 + 31 + 59 + 28 + 74 + 31 + 45}{7} = \frac{330}{7} \approx 47.14
\]

### 2. Median:
The median is the middle number in a sorted list. First, let's sort the numbers in ascending order:

28, 31, 31, 45, 59, 62, 74

Since there are 7 numbers (an odd number), the median is the 4th number in the sorted list:

\[
\text{Median} = 45
\]

### 3. Range:
The range is the difference between the highest and lowest numbers.

\[
\text{Range} = \text{Maximum value} - \text{Minimum value} = 74 - 28 = 46
\]

### 4. Mode:
The mode is the number that appears most frequently. In this list, the number 31 appears twice, while all other numbers appear only once.

\[
\text{Mode} = 31
\]

### Summary:
- **Mean**: 47.14  
- **Median**: 45  
- **Range**: 46  
- **Mode**: 31

Learn how to calculate the mean, median, range, and mode for the set of numbers: 62, 31, 59, 28, 74, 31, 45. Understand each statistical measure with a step-by-step explanation and example calculations.

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