Question: Given the following data:

Using 8 classes or intervals,

1. Construct the Frequency Distribution Table (include the relative frequency).
2. Construct the Histogram (Use the Relative Frequency in the vertical axis).
3. Construct the Frequency Polygon.
4. Calculate the Mean for frequency distributions with grouped classes using the following formula,
   \[\bar{X}=\frac{\sum X_{i} f}{n}\]
5. Calculate the Mode.
6. Calculate the Median for frequency distributions with grouped classes using the following formula,
   \[\text { Median }=\text { L.R.I. }+\left[\frac{n / 2-f a}{f}\right](i)\]
7. Calculate the Standard Deviation using the following formula,
   \[s=\sqrt{\frac{\sum(X-\bar{X})^{2} f}{n-1}}\]
8. Calculate the Variance

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