math 7 statistics

• statistics - a branch of mathematics that deals with the collection, organization, presentation, analysis and interpretation of data
• data - another term for information
• qualitative and quantitative data - two types of data in Statistics
• qualitative - numerical information or obtained by counting.
• discriptive and inferential statistics - a the 2 types of statistics
• descriptive statistics - describing the data.
• inferential statistics - leading to predictions
• collection of data - the first step in statistical work is to collect data.
• primary data - are information gathered from the primary source or directly
• secondary data - gathered from the secondary sources