The following data are a sample of survival times (days from diagnosis) for patients suffering from chronic leukemia of a certain type:
![1712_sample of survival times.png](https://secure.tutorsglobe.com/CMSImages/1712_sample of survival times.png)
a. Construct a relative frequency distribution for this data set, and draw the corresponding histogram.
b. Would you describe this histogram as having a positive or a negative skew?
c. Would you recommend transforming the data? Explain.