Please hep me answer these questions!

Select the most appropriate statistical test from the following list.Tests may be used for more than one answer.

A.chi-squared

B. t-test of proportions

C.t-test of means, independent samples

D.t-test of means, paired samples

E.oneway anova

F.simple correlation

G.simple linear regression

H.multiple regression

1. Is attitude toward iPhone more positive among those who use a phone more for work or those who use a phone more for pleasure?
2. Has there been a monthly increase in sales over the past 12 months?
3. Which is more likely to return a product--a credit card purchaser or a cash purchaser?
4. Are Amazon's sales/month per customer different across four states--New York, Pennsylvania, Florida, and Texas?
5. Can Ford predict sales from ratings of product quality, price, advertising budget and the number of dealerships?
6. Do men and women differ in their choice of college majors, across Business, Engineering, and Arts & Sciences?