A researcher beleives that the percentage of people who exercise in California is greater than the national exercise rate. The national rate is 20%. The researcher gathers a random sample of 120 individuals and finds that the number who exercise regularly is 31 out of 120.
X^2 obtained = 4.74
df = 1
x^2 critical value = 3.84
How to do this problem in SPSS. What steps to take?