One possible side effect of a particular chemical treatment for a neurological disorder is the loss of pain or touch sensations. A researcher is interested to see whether or not the occurrence of this effect is the same for men and women. A random sample of 40 patients is chosen from those who have received the treatment within the previous three years:
Is the occurrence of this effect the same for men and women?
a. State Ho.
b. Set up the table of theoretical frequencies.
c. Calculate the value of chi-square, the number of degrees of freedom, and the P-value.
d. Is the occurrence of this effect the same for men and women?