13. Health Concerns According to Americans, access to healthcare and the cost of healthcare remain the most urgent health problems. However, a recent Gallup poll11 shows that concern about substance abuse jumped from 3% to 14% in 2017.

Based on samples of size 200 for each year, the data that follow reflect the results of that poll.\

a. Calculate the proportions in each of the categories for 2016 and 2017. Test for a significant change in proportions for the healthcare concerns listed from 2016 to 2017 using a 5.05.

b. How would you summarize the results of the analysis in part a? Can you conclude that the change in the proportion of adults whose concern was substance abuse is significant? Why or why not?

Transcribed Image Text:

Concern 2016 2017 Access 40 48 Cost 54 32 Substance abuse 6 28 Cancer 24 22 Obesity 16 14 Other 60 56 Total 200 200