A local gymnasium is trying to find out what additional classes they should offer. They send out 50 surveys to a random selection from all of their customers and follow up with phone calls to those that they don't get a response from. Is this a good way for the gym to collect data?

A) No, they should send out surveys to all of their customers.
B) Yes, by randomly selecting them they will get a representative sample.
C) No, they should just survey the next 50 customers that come to the gym.
D) Yes, but they shouldn't follow up with phone calls. Just look at the ones that were returned.

Most animals give birth during a general time of year. this is because animals naturally breed so that their young will be born at the time of year when there will be adequate food supply. the bar graph shows the number of live births of a jackrabbit native to california over the course of year x. based on the data, which of the following would be an appropriate conclusion? a) in general, rabbits give birth during the spring months b) in general, rabbits give birth during the summer months c) in general,m california jackrabbits give birth during the spring months d) in general, california jackrabbits give birth during the summer months

Tom drove 206 miles in 3.9 hours. estimate his average speed.

This graph shows which inequality? a ≤ –3 a > –3 a ≥ –3 a < –3