Which of the following is a product/service that is high in credence qualities?

In practice, a control group is sometimes defined as the group that receives the current level of marketing activity, rather than a group that receives no treatment at all because it is difficult to reduce current marketing activities, such as

advertising and personal selling, to zero. Indicate whether the statement is true or false

In addition to the counting operation allowable for nominal scale data, ordinal scales permit the use of statistics based on percentiles

Indicate whether the statement is true or false