QUESTIONS AND CORRECT Answers
Select all the statements that are true about statistics: A, B, D
A. statistics are used to organize and summarize data.
B. statistics are used to interpret information.
C. statistics allow inferences to be drawn about a sample
group
D. statistics must be handled responsibly
What are statistics? Statistics encompass the mathematical field that allows us to organize, summarize,
describe, and interpret different forms of information.
Name 3 reasons why statistics are important. - Statistics allow data to be described and communicated succinctly and concisely.
- Statistics allow inferences to be drawn about data, particularly when it is not
feasible to collect information from all members of a certain group.
- Statistics equip us with the necessary tools needed to critically evaluate
information.
What is data? small or large sets of information
What is datum? singular data
Qualitative variables variables measured by category or label
Quantitative variables variables measured in numerical terms
Discrete variables involves counting whole numbers (0, 1, 2, 3, ...)
Continuous variables involves measuring where the value can take on fractional or decimal values
between two numbers.
Select all items below that represent qualitative variables. A, B, C, D
A. floor number in a skyscraper.
B. model of car
C. zip code
D. blood type