When everyone in a sampling frame is included in the sample, the sampling technique is known as ________

Public relations in the USA began with publicity, promotion and press agentry

a. True b. False

Matilda is giving a speech at a dinner. The audience is in high spirits and obviously in the mood to laugh, so Matilda decides to tell a joke. She's nervous about getting the punch line right, though, and tells the set-up and punch line so quickly that they almost sound like one long sentence. Even though her words are all intelligible, the audience barely laughs at what is normally a very funny joke. Why did Matilda's joke only receive a weak response?

A. Matilda included too many details in her joke. B. Matilda read the audience incorrectly. C. The audience was not allowed to properly anticipate the punch line. D. The audience was confused by extra, unnecessary details that Matilda added.