Sample and Population Statistics

_______ is the entire group of objects or individuals considered for a survey.

• Sample

• Population

• Random Sample

• Quartile

In a survey of 1046 adults conducted by Bradley Corp, subjects were asked how often they wash their hands when using a public restroom, and 70% of the respondents said "always". Identify the sample & population.

• Sample: the 1046 adults surveyed

  Population: the 70% that said "always"

• Sample: the 1046 adults surveyed

  Population: all adults

• Sample: all adults

  Population: the 1046 adults surveyed

• Sample: the 70% that said "always"

  Population: all adults

A poll was conducted in which 1000 adults were asked if they prefer bottled water or tap water, and 57% of them said they prefer bottled water. In this scenario, the 57% is a _____.

• population

• sample

• parameter

• statistic

__________ is the science of collecting, organizing, analyzing, and interpreting data in order to make decisions.

• Statistics

• Data

• Population

• Sample

Determine whether the numerical value is a parameter or statistic:

Sixty-two of the 97 passengers aboard the Hindenburg airship survived its explosion.

• Parameter

• Statistic

Suppose a survey of 584 women in the U.S. found that more than 65% are the primary investor in their household. Which part of the survey represents the descriptive branch of statistics?

• There is an association between U.S. women and being the primary investor in their household.

• There is an association between the 584 women and being the primary investor in their household.

• 65% of women in the sample are the primary investor in their household.

• 584 women were surveyed

Suppose a survey of 584 women in the U.S. found that more than 65% are the primary investor in their household. Choose the best inference.

• There is an association between U.S. women and being the primary investor in their household.

• There is an association between the 584 women and being the primary investor in their household.

• 65% of women in the sample are the primary investor in their household.

• 584 women were surveyed

A poll about favorite sports is taken from 100 seniors in a high school where the senior class has 575 students. 23% of respondents said that baseball was their favorite sport.
The "100" is the ______

• Sample Size

• Population Size

• Statistic

• Parameter

A teacher wants to know the average time spent doing homework by the students in her class of 20 girls and 5 boys, so she randomly selects five students from the class to survey, paying no attention to their gender.
This is a form of:

• Cluster Sampling

• Systematic Sampling

• Stratified Sampling

• Simple Random Sampling

A poll about favorite sports is taken from 100 seniors in a high school where the senior class has 575 students. 23% of respondents said that baseball was their favorite sport.
The "575" is the ______

• Sample Size

• Population Size

• Statistic

• Parameter