Question 9.39

9.39 Can dial-up compete?

Refer to the previous exercise. The same surveys provided data on access to the Internet using dial-up. Here are the data:

Date of survey	2001	2005	2009	2013
Homes with dial-up	41%	28%	7%	3%

(a) to (c) Answer the questions given in the previous exercise for these data.
(d) Write a short report summarizing the changes in broadband access that have occurred over this period of time using your analysis from this exercise and the previous one. Include a graph with information about both broadband and dial-up access over time.

9.39

(a) Dial-up: 923, 630, 158, 68. Without: 1327, 1620, 2092, 2182.
(b) There is no association between year and Internet access using dialup, There is an association between year and Internet access using dial-up. . The data provide evidence of an association between year and Internet access using dial-up.
(c) Since 2001, broadband usage has increased dramatically, from 6% in 2001 to 70% in 2013; at the same time, use of dial-up access has plummeted, going from 41% in 2001 to only 3% in 2013.