Unlike the critical z-score and critical t-score, the critical F-score can only take on positive values

Changes in stock prices tend to lag changes in level of economic activity by several months

Indicate whether the statement is true or false.

Structured query language is a standard query language ________

A) used to manipulate information in relational databases B) that uses the signals transmitted via the phone to access databases C) that offers voice commands as a means to access a database D) used to enhance security, plan capacity requirements, and design backup