Construct an appropriate graph to represent the relative frequency distribution.
ID: 3306410 • Letter: C
Question
Construct an appropriate graph to represent the relative frequency distribution. e. d. Describe the shape of the distribution. 3. A study is conducted to investigate the relationship between owning pets and happiness. 100 subjects are selected and data on whether or not a pet is owned and a happiness score (1-10, 10 being extremely happy) are obtained. a. Is this observational or designed experiment? Obsrvat)ona) b. What is the explanatory variable and response variable of this study? c. What is the sample size? d. State any Confounding Variable(s) that may influence this study?Explanation / Answer
a. Yes it is observational study as we are not giving any treatment to subject under study
b. the experiment is the check whether owning a pet implies happiness, so happiness is dependent variable (depends on owning a pet variable)
dependent variable (happiness) is nothing but response variable and independnent variable (owning a pet) is nothing but explainatory variable.
c. 100 subjects are selected to perform this experiment so sample size is 100
d. there are many other factors that can influance happiness like social capital, wealth, etc.