had each of the following four characteristics. The four questions were: Would you pay more for

products that have a brand name?

products that are environmentally friendly?

products that are organic?

products that have been recommended by others?

For each question, the customers had the option of responding Yes if they would pay more or No if they would not pay more.

$($a$)$ Are the data collected by Kroger in this example categorical or quantitative?

categorical

quantitative

$($b$)$ What measurement scale is used?

Interval scale

nominal scale

ratio scale

ordinal scale