You think that people's ice cream favorites are 25% each vanilla and chocolate, 20% strawberry, 15% butter pecan, 8% rocky road, and 7% other or no preference. You survey 1000 people and find preferences are 220 vanilla, 225 chocolate. 190 strawberry, 170 butter pecan, 95 rocky road, and 70 other or no preference.

a. Using a=5%, was your idea right or wrong?

b. Which of the flavors contributed the most to the chi-squared test statistic?