answers 2024\2025 A+ Grade
Data
- correct answer collections of observations
ex. measurements, genders, survey responses, etc
Statistics
- correct answer The science of planning studies & experiments, obtaining data then organizing,
summarizing, presenting, analyzing, interpreting, & drawing conclusions based on that data.
Making inferences/generalizations about a population
Population
- correct answer complete collection of all individuals to be studied
ex. measurements, scores, people
Census
- correct answer collection of data from every member of the population, collecting data from all
individuals
Sample
- correct answer a subcollection of members selected from a population
data mush be collected through random selection, must be representative of the population
Main idea of statistics:
- correct answer concept of data, source of data, sampling method, drawing conclusions, coming up w
practical implications. Learning to make sense of the data provided
, context
- correct answer a description of what the values represent, there they came from & why they were
collected. It is specific descriptions for the data provided
Always consider the context of data, ...
- correct answer it affects the statistical analysis that should be used
Some sources of data are..
- correct answer objective or biased & is not always reliable
The sampling method you choose can greatly influence..
- correct answer the validity of your conclusions
Samples may have..
- correct answer bias & are not always valid
voluntary response sample (aka self-selected sample)
- correct answer where respondents decide whether or not to be included in the survey/sample
ex. internet surveys, surveys by mail, surveys by phone
practical implications
- correct answer drawing a sensible conclusion from your results
statistical significance:
- correct answer statistically there's a difference, the thing is you may have insignificant results
Practical significance..
- correct answer focuses more on practicality & common sense, something more realistic
statistical thinking
- correct answer the ability to see the big picture & consider relevant factors such as context, source of
data & sampling to method to form conclusions & identify practical implications. Involved critical
thinking & the ability to make sense of results