Random samples of size 49 are taken from an infinite population whose mean is 300 and standard deviation is 21 . The mean and standard error of the sample mean, respectively, are:

For which of the following operations would telemarketing efforts likely be the most successful and the most profitable?

A) selling magazine subscriptions to consumers B) selling double-pane windows to home owners C) selling plastic bottles to a bottling company D) asking people for charitable donations E) selling vacation packages to people who earn $50,000 or more annually

Blogs help organizations market their products and create an intimate connection with suppliers and customers

Indicate whether the statement is true or false