Karteikarten
Ohne Titel
Karten in diesem Stapel (12)
- 1types of research questions1. Make an estimate of the population
2. Test a claim about the population
3. compare 2 sub-population (investigate relationship) - 2What type of research question is this? "what is the average number of hours that students sleep each week?"making an estimate of the population
- 3What type of research question is this? "does the majority of the students qualify for student loans"Test a claim about population
- 4What type of research question is this? " does drinking coffee help students pass the math test?"Comparing 2 sub-population (investigate relationship)
- 5Steps for Exploratory Data Analysis (EDA)1. generate questions about data
2. search answers by visualizing, transforming and modelling data
3. use results to refine existing questions or make new questions - 6define populationpopulation is the entire group of interest to draw conclusions from
- 7define samplesample is the proportion of the population selected in the study
- 8define estimateestimate is the inference about the populations' parameter, based on information obtained from sample
- 9define sampling framesampling frame is the "source material" from which sample is drawn that may not cover the full population or include units not in population of interest
- 10define censuscensus is an attempt to reach out to the entire population of interest
- 11types of biasselection bias and non-response bias
- 12—
Informationen
- Beschreibung
- Karteikarten am Ohne Titel, erstellt von Shermaine Ng am 21/09/2021.
- Erstellt von
- Shermaine Ng
- Aufrufe
- 0
- Bewertung