W 3. As the Hispanic population in the United States continues to grow, businesses want to understand what Hispanics like One study
interviewed separate random samples of Hispanic and Anglo customers leaving a bank Customers were classified as Hispanic if they
preferred to be interviewed in Spanish or as Anglo if they preferred English Each customer rated the importance of several aspects of
bank service on a 10-point scale. Here are summary results for the importance of “reliability (the accuracy of account records, and so
on).
Group
*
Anglo 95 6.37 0.60
Hispanic 86 5.91 0.93
3
Calculate the test statistic