AP Statistics Collecting Data Review

A scientific body of knowledge that deals with the collection, presentation, interpretation and analysis of data.

• Probability

• Statistics

• Sequence

• Geometry

A poll about favourite sports is taken from 100 students in a high school where there are 575 students. 23% of respondents said that football was their favourite sport. The "100" is the ______

• Sample Size

• Population Size

• Statistic

• Parameter

What is a survey?

• process of collecting statistical data from a group in a population

• Statistics collected from an entire population

• An element or feature that can vary

• A person chosen from a population

What is statistics?

• The science of collecting and analysing data

• Statistics collected from an entire population

• An element or feature that can vary

• A group chosen from a population

The boys and girls basketball teams at a high school had their heights measured at practice. The following data was recorded for their heights. What can you conclude from the distributions?

• The girls have a larger median and a larger range in heights.

• The boys had a smaller median height than the girls; however, the boys had a larger range of heights.

• The median height for the boys and the girls is the same; however, the girls have a larger range.

• The median height for the boys is larger; however, the girls have a larger range.

• No information can be concluded from the distribution since there is no key included.

• 15, 25, 35, 45, 55, 115

• Symmetrical

• 15, 25, 35, 45, 55, 65

• Skewed Left

• 15, 75, 85, 95, 105, 115

• Skewed Right

Time on the Internet per week - Is it classified as numerical or categorical?

• Numerical

• Categorical

Time on the Internet per week - Is this numerical data classified as Discrete or Continuous?

• Discrete

• Continuous

Number of pages in a book - Is this numerical data classified as Discrete or Continuous?

• Discrete

• Continuous

Earring length - Is this numerical data classified as Discrete or Continuous?

• Discrete

• Continuous