Describe the general rationale behind using post hoc tests (i.e., when they are used and why).

(a) What experimental design would be the best to use in the following situation? Be specific. Explain the good features of your proposed design. A taste panel will convene this afternoon to compare six different brands of ice cream. The panel is comprised of 10 persons who are expert tasters. The maximum number of different brands that an individual taster will taste is 3. (b) What would you do if three of the expert tasters failed to come this afternoon because of illness so that you could not run the design recommended in (a) above?

How does hypothesis testing help support the fields that employ the scientific method?

i can come up with the correct answer to these two types of problems. I know I am just missing a small piece of it. hypothesist test for single population mean and single population proportion. need to figure out test statistic . and "p" value   2. 20% all college students volunteer their time. is the percentage of college student who are volunteers different for students receiving financial aid? of the 387 randomly selected students who receive financial aid, 58 of them volunteered their time. what can be concluded at the alpha 0.05 level of significance.             Need to figure test statistic and "p" value.