In: Statistics and Probability
I need new and unique answers, please. (Use your own words, don't copy and paste), Please Use your keyboard (Don't use handwriting) Thank you..
Course: Introduction to Biostatistics
Please answer the following questions:
Q1. Discuss the tools to measure central tendency.
Q2.a) Discuss parametric and nonparametric test used for hypothesis testing.
b) In a cross sectional study on coronary heart disease (CHD), the smoking and CHD status is summarized below. Use appropriate statistical test to conclude smoking plays any role in CHD.
| 
 Smoking  | 
 Cardiovascular Diseases  | 
 Total  | 
|
| 
 Yes  | 
 No  | 
||
| 
 Yes  | 
 10  | 
 90  | 
 100  | 
| 
 No  | 
 26  | 
 74  | 
 100  |