HSTA 11 - Assignment 1-In your own words (copying directly from text or internet is plagiarism) explain the difference between descriptive and inferential statistics. Note that many of the statistics (such as rates) that you learned so far can be considered a type of descriptive statistics. Please limit your answer to half a page. (10marks) 2-A group of researchers are interested in the following studies. State the null hypothesis for each study: (8marks) a.The effect of birth weight on childhood obesity b.Testing the effectiveness of a new medication on treatment of migraine c.Researching if productivity of HIM coders increases with their age d.Studying the rate of prostate cancer in 3 ethnicities: caucasians, african-americans, and hispanics, to determine which ethnicity has the highest risk of developing prostate cancer