Analyze the problem below. Use appropriate correlational statistical tool. Compute using MS Excel or SPSS and interpret the result. Use alpha at 5% level.

• Nurse Hilda Liton made a survey of 50 patients in the emergency room of a hospital to determine whether or not there is a connection between liquor intoxication and car accident. The resulting frequencies are given in the contingency table below. Is liquor intoxication associated with car accident?

liquor intoxication Car accident Total

yes no

yes 15 10 25

no 5 20 25

Total 20 30 50