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Shermaine Ng English 12 cards

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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
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