0
Still curious? Ask our experts.
Chat with our AI personalities
Professor
Coach
MaxineAdd your answer:
Earn +20 pts
What is regression analysis and inferential analysis?
Regression AnalysisIt is a collection of statistical techniques to understand the relationship among several independent variables and one or more dependent random variables.Inferential AnalysisIt is collection of mathematical techniques to make prediction about unseen large data sets on the basis of a study of available small samples of that data.Regression analysis is a specific way of performing inferential analysis.
Does inferential statistics involve using a suitable population to draw a conclusion from a sample drawn from that population?
It is strangely worded like that, but the answer is yes.
Differences between descriptive and inferential statistics?
All statistical tests are part of Inferential analysis; there are no tests conducted in Descriptive analysis · Descriptive analysis- describes the sample's characteristics using… o Metric- ex. sample mean, standard deviation or variance o Non-metric variables- ex. median, mode, frequencies & elaborate on zero-order relationships o Use Excel to help determine these sample characteristics · Inferential Analysis- draws conclusions about population o Types of errors o Issues related to null and alternate hypotheses o Steps in the Hypothesis Testing Procedure o Specific statistical tests
When the production manager draws bar charts representing toothbrush lifetime data this is an example of what phase of inferential statistics?
data organization and analysis
Why are measures of variability essential to inferential statistics?
Why are measures of variability essential to inferential statistics?
