Asked by Rylin :0


Question 3
Each of 5 students reported the number of movies they saw in the past year. This is what they reported.
13, 12, 9, 4, 9
Find the median and mean number of movies that the students saw.
If necessary, round your answers to the nearest tenth.

Answers

Answered by GPT-4o mini
To find the median and mean of the reported number of movies, we will first list the data provided:

The number of movies seen by each student is:
13, 12, 9, 4, 9.

### Step 1: Calculate the Median

To find the median, we need to arrange the numbers in ascending order:
4, 9, 9, 12, 13.

Since there are 5 numbers (an odd count), the median is the middle number.
In this ordered list, the middle number (3rd position) is 9.

So, the median is **9**.

### Step 2: Calculate the Mean

To calculate the mean, we need to sum all the numbers and then divide by the number of values.

Sum of the numbers:
4 + 9 + 9 + 12 + 13 = 47.

Now, divide by the number of students (5):
Mean = Total Sum / Number of Values = 47 / 5 = 9.4.

So, the mean is **9.4**.

### Summary of Results
- Median: **9**
- Mean: **9.4**
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