find the median for the data items in the given frequency distribution.\nthe median is \n(type an integer or…

find the median for the data items in the given frequency distribution.\nthe median is \n(type an integer or a decimal.)
Answer
Explanation:
Step1: Calculate the total number of data items
We sum up the frequencies. $n=\sum f = 2 + 6+2 + 4+2 + 4+3 + 1=24$.
Step2: Determine the position of the median
Since $n = 24$ (an even - numbered data set), the median is the average of the $\frac{n}{2}$th and $(\frac{n}{2}+1)$th ordered data values. $\frac{n}{2}=\frac{24}{2}=12$ and $\frac{n}{2}+1 = 13$.
Step3: Cumulative frequency calculation
| Score ($x$) | Frequency ($f$) | Cumulative Frequency ($cf$) |
|---|---|---|
| 1 | 2 | 2 |
| 2 | 6 | $2 + 6=8$ |
| 3 | 2 | $8+2 = 10$ |
| 4 | 4 | $10 + 4=14$ |
The 12th and 13th data values fall within the score of 4 (because when $x = 4$, $cf$ goes from 10 to 14).
Answer:
$4$