Post on 31-Dec-2015
transcript
JeopardyCorrelation Regression Z-Scores Probability Surprise
$100 $100$100 $100$100
$200 $200 $200 $200 $200
$300 $300
$500$500
$400
$300
$400
$300 $300
$400
$500$500$500
$400$400
Correlation--$400
Compute this to determine whether a consistent relationship exists between two rank-order measures.
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Correlation--$500
Conceptually, the Pearson correlation coefficient is computed by dividing _________ by _________.
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Regression--$100
When drawing the regression line, what is the minimum number of points you must compute and plot?
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Regression--$300
In the regression equation, a negative _____ means that Y decreases when X increases.
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Regression--$400
In general, a linear relationship between x and y can be expressed by this equation
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Regression--$500
The variable you will use to make predictions goes on the __axis and the variable you’re interested in predicting goes on the __axis.
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Z-Scores--$100
The z-score that would indicate a score located 2 standard deviation units below the mean.
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Z-Scores--$200
If a person earns a score that is equal to the population mean, that person’s z-score will be ___.
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Z-Scores--$400
The two pieces of population information you need in order to transform a raw score into a z-score.
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Z-Scores--$500
If the original distribution is negatively skewed, the shape of the distribution after a z-score transformation will be ___________.
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Probability--$100
In general, the probability of A is computed by taking __________ and dividing by ________.
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Probability--$200
For the definition of probability to be accurate, the outcomes must be obtained by a process called ___________.
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Probability--$300
Provides a complete listing of z-scores and their corresponding proportions of the normal distribution.
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Probability--$400
The _____ always corresponds to the larger part of the distribution, whether it is on the right-hand side or the left-hand side of the distribution.
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Probability--$500
When finding the ______ for a particular score, we are always looking for the proportion of the distribution to the _____ of the x value.
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Surprise--$300
Gives the proportion of variability in y that can be explained by the variability in x.
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Surprise--$400
The binomial distribution is always a _____ histogram,while the normal distribution is a ________, smooth curve.
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Surprise--$500
When ___ and ___ are both at least 10, the binomial distribution is closely approximated by a normal distribution.
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Correlation--$500
A: What isDegree to which x & Y vary together
Degree to which x and y vary separately
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Probability--$100
A: What is # of outcomes classified as A
total # of possible outcomes
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