An experimenter is studying whether cell phone use and attention span are related. They ask people how many hours a day they are on the phone and then have them complete a difficult puzzle and measure completion time.

A questionnaire is sent to 10,000 people, and 5,000 responded. 3,000 of the respondents say that they "love chocolate ice cream", and so we conclude that 60% of people love chocolate ice cream. What is wrong with this survey? A. voluntary response B.

What is the purpose of a SAE? a. To win proficiency awards b. To offer hands-on experiences c. To provide opportunities to earn money while you learn d. To teach students how to keep accurate records e. All answer choices f. A and B only

A good letter of recommendation: A. describes a student's personal upbringing. B. includes a course history. C. is no more than one page long. D. conveys unique qualities about a student.

The oil spill threatened the livelihood of people working in the fishing and tourism industries. what is the correct definition for livelihood?

How so lenses of a light microscope make on object look larger?

The farm where you just started working has a vertical cylindrical oil tank that is 2.5 feet across on the inside. The depth of the oil in the tank is 2 feet. If 1 cubic foot of space holds 7.

It has not snowed yet today. In October, temperatures begin to drop. This summer should be hotter than normal. The humidity dropped overnight. A thunderstorm cancelled our softball game. It has never gone below 32°F in the month of December.

I what a list of everyone that is a star in the us a

A company's flexible budget for 12,000 units of production showed sales, $48,000; variable costs, $18,000; and fixed costs, $16,000. The contribution margin expected if the company produces and sells 16,000 units is:

When passing a bicyclist, florida law requires that you maintain a minimum of