Question 1 of 10 This table shows values that represent a quadratic function.
ху
0 --1
1 -2
2 5
3 -10
4 -17
5 -26
6 -37
What is the average rate of change for this quadratic function for the interval
from x = 1 to x = 3?

According to a study conducted in 2015, 18% of shoppers said that they prefer to buy generic instead of name-brand products. suppose that in a recent sample of 1500 shoppers, 315 stated that they prefer to buy generic instead of name-brand products. at a 5% significance level, can you conclude that the proportion of all shoppers who currently prefer to buy generic instead of name-brand products is higher than .18? use both the p-value and the critical-value approaches.