Stats Ch. 1 Vocab
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| Statistics is: | the study of data and variations in the data
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| Descriptive statistics are statistics that are____ | more exact
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| With inferential statistics, we _____ | infer what's going to happen with population based on the sample
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| The population is the ____ | complete collection of objects or individuals that we are studying
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| What is a sample? | the subset of a population
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| ____ are data values that represent the entire population. | parameters
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| ____ are values calculated from a sample. | statistics
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| _____ sample is used when it is difficult or impossible to draw a a random sample. | convenience
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| With the ________, you have an equal chance to being selected. This sample is analogous to winning the lottery. | simple random sample
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| ___ sample is when the population is first divided into sub-populations, then a simple random sample is drawn from each sub-population. | stratified
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| ___ sample is a method where we randomly select entire groups. | cluster
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| ____ sample is where we select a starting point randomly and then select individuals in evenly spaced intervals, every 3rd or 5th one. | systematic
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| We obtain this sample by asking people to give a response. | voluntary response
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| This type of variable is numerical and how much or how many of something there is. | quantitative
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| What are the 2 types of quantitative variables? | discrete & continuous
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| This type of variable divides individuals into categories. | qualitative aka categorical
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| This type of quantitative variable are values that can be listed and will fall on a point on a number line. | discrete
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| This type of variable has an infinite number of possible values and can be averaged. | continuous
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| What are the 3 types of qualitative variables? | ordinal, nominal and identifier
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| These variables have a natural sense of order, they can be numerical or verbal. | ordinal
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| These variables do not have a natural order. | nominal
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| ____ bias is when the response is left up to the individual. | voluntary
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| When the person conducting a study has an interest in the outcome is called _____ bias. | self-interest
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| ___ is when the individual may not respond truthfully because they feel that their answer may not be acceptable or the person asking may judge them, | social acceptability
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| The ____ variable has a unique value assigned to each individual. | identifier
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| Questions that are worded to be leading or confusing are called ____ bias. | leading question
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| If we don't have enough responses to be valid, this is called ___ bias. | nonresponse
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| ___ bias is when a sub-population is not included in the study. (mistake in sample has been made) | sampling
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