Formative Guide #1
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| is a collection of methods for planning experiments, obtaining data, and then organizing, summarizing, presenting, analyzing, interpreting, and drawing conclusions based on the data. | Statistics
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| is the complete collection of elements to be studied. | Population
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| is a sub-collection of elements drawn from a population. | Sample
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| are things that describe a sample’s contents. | Descriptive Statistics
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| is making inferences about what sample data may indicate about a population | Inferential Statistics
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| data can be separated into different categories distinguished by some non-numerical characteristic. | Qualitative
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| data consists of numbers representing counts or measurements. | Quantitative
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| data result from either a finite number of possible values or a countable number of possible values. | Discrete
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| numerical data results from infinitely many possible values that can be associated with measurement error. | Continuous
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| sampling is when members of the population are selected in such a way that each has an equal chance of being selected. | Random
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| sampling is when you subdivide the population into at least two different sub-populations that share the same characteristics and then draw a sample from each subgroup. | Stratified
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| are numbers that describe a population. | Parameters
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| are numbers that describe a sample. | Statistics
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| sampling is when you divide the population into sections and randomly select some of those sections, and then choose all the members from the selected sections. | Cluster
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| sampling is when you choose some starting point and then select every kth element in the population. | Systematic
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| is when the mean is significantly less than the median. | Left Skewed
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| is when the mean is significantly greater than the median. | Right Skewed
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| asking people their political affiliation State of residence Gender | Nominal
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| rating how good a movie is by awarding it one, two, three or four stars Letter grade in a class (A, B, C, D, or F) Size of soft drink ordered at a restaurant (small, medium, large) | Ordinal
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| measuring the temperature in Fahrenheit | Interval
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| measuring the time it takes to run a race | Ratio
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| x with a line over it is known as | Mean
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| Sx = (x is only on calculator, standard symbol is "s") | Standard Deviation
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| number that appears most often in the set. | Mode
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| Med = | Median
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| the difference between the highest and lowest values in the set. | Range
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| Standard Deviation Squared = | Sample Variance
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| Greek sigma x = | Population Deviation
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Created by:
Joel.olivio
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