Does the price of fresh fruit smoothies differ between Boost juice, Naked juice and Funky juice outlets? A researcher collected the price of a sample of five products at each of the outlets (in dollars). < JUICE1 >

a. At the 0.05 level of significance:

i. is there evidence of a significant difference in the variance of the fruit smoothie prices?

ii. is there evidence of a difference between mean fruit smoothie price?

b. If appropriate, use the Tukey–Kramer procedure and a 0.05 level of significance to determine which outlet significantly differs with respect to mean price.

c. What conclusions can you reach?