11.2 Practice

Determine if the data collected is from a population or sample. The number of high school students in the United States.

• Population

• Sample

Determine if the data collected is from a population or sample. The color of every third car that passes by your house.

• Population

• Sample

Determine if the data collected is from a population or sample. A survey of 100 spectators at a sporting event with 1,800 spectators.

• Population

• Sample

Determine if the data collected is from a population or sample. The age of each dentist in the United States.

• Population

• Sample

Determine if the numerical data collected is a parameter or a statistic. The average annual salary of some physical therapists in a state is $76,210.

• Parameter

• Statistic

Determine if the data collected is a parameter or statistic. In a recent year, 53% of the senators in the United States Senate were Democrats.

• Parameter

• Statistic

Determine if the data collected is a parameter or statistic. Seventy-three percent of all the students in a school would prefer to have school dances on Saturday

• Parameter

• Statistic

Determine if the data collected is a parameter or statistic. A survey of U.S. adults found that 10% believe a cleaning product they use is not safe for the environment.

• Parameter

• Statistic

Determine if the data collected is a parameter or statistic. For all teenagers in a certain town working jobs last summer, the mean hourly wage was $6.95. Is the mean wage a parameter or a statistic?

• Parameter

• Statistic

Determine if the data collected is a parameter or statistic. A survey of 912 men, ages 50–60 in Central America, found that the standard deviation of the length of their feet is about 4 centimeters. Is the standard deviation of the foot length a parameter or a statistic?

• Parameter

• Statistic