A blending of black music and hillbilly music led to a new genre called rockabilly, which evolved quickly into __________

Which of the following is a guideline for an effective apology?

a) Deny wrongdoing. b) Justify your behavior by mentioning that everyone does it or that others have done worse. c) Provide excuses. d) Give assurance that it will not happen again.

Which measure of central tendency is the most frequently reported value in a data set?

a. the median b. the mean c. the mode d. the standard deviation