A random sample of 400 Internet shoppers has been selected to examine shopper concerns about security on the Internet. One of the aims of the study is to determine whether the level of shopper concern is related to the level of the shopper’s education. Results from the sample appear below:

Use a chi square test of independence to test a null hypothesis that level of concern is independent of education level for the population represented here. Use a significance level of 1% for your test.

Level of Education Less than Bachelor's Level of Bachelor's Degree or Concer Degree Low High Totals above 110 50 160 110 130 240 Totals 220 180 400