answer the questions according to table1, and below results.

1. Why does the standard deviation have a more easily understood meaning than the variance to describe variability?
2. the odd ratio of education level (2.33) , odd ratio of income level is (2.00), apply your understanding of it to the relationship between education level and income level to the use of the internet for health information.
3. 3. Provide an example from the article where the authors use an ordinallevel of measurement Justify your selection. Is it correct that education level is an ordinal measurement
4. The standard deviation of the age of internet users is 11.3, and people not using the internet is 11.9 . Which group has the greater variability? What does this mean in layman's terms?
5. .We characterize statistics as inferential or descriptive. How would you characterize the statistics used in this research article - discuss your response.
   

Table 1. Characteristics of Survey Respondents Patients Using Patients Not Using Internet for Internet for Characteristic Health Information Health Information Mean age, y :SD 45.8 i 11.3 49.3 i 1 1.9 Female gender, n [%) 158(58) 132(55) Race, n [%) White 246(9 1] 204(86] Nonwhite 23(9) 33(14) Annual income, It [%)