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Math Trivia
100
These are the two types of data we have studied.
What is categorical and quantitative?
100
This is the distance between 1st and 3rd Quartiles
What is The Inter-Quartile Range?
100
This rule helps to determine if data is normally distributed by checking the number of observations within each interval.
What is the 68-95-99.7 rule?
100
This equals actual y - predicted y
What is the residual?
100
This is the square root of 12,345,678,987,654,321
What is 111,111,111?
200
This is an individual observation that falls outside the overall pattern of the graph
What is an Outlier?
200
p percent of observation fall at or below this value
What is the pth percentile?
200
To calculate, subtract the mean of the distribution from the observed x, then divide by the standard deviation.
What is the z-score?
200
These are the four features that you describe when describing a scatterplot.
What is direction, form, strength, and outliers?
200
What is the only number that has the same number of letters as its meaning?
What is 4 (four)
300
SOCS means:
What is Shape, Outliers, Center, and Spread?
300
This is the rule for determining outliers
What is 1.5×IQR?
300
This calculator command can be used to find the area under a normal distribution and above an interval.
What is normalcdf?
300
It measures the direction and strength of a linear relationship between two quantitative variables.
What is correlation (or r)?
300
This number does not have its own Roman numeral
What is 0 (zero)
400
These graphs show the 5 number summary.
What is box plots?
400
These measures for center and spread are appropriate for skewed distributions.
What is median and IQR?
400
This is the z-score for calculating the 90th percentile is...
What is 1.28?
400
This is what a residual plot should look like to show a linear relationship
What is "no pattern"
400
This is the first number to contain the letter "a"
What is 'one thousand'?
500
This graph shows the relationship between two quantitative variables.
What is a scatterplot?
500
This is the square of the standard deviation.
What is the variance?
500
Using N(1152, 84), the Normal model for weights of Angus steers, this percent of steers weigh over 1250 pounds.
What is 12%?
500
This is the fraction of the variation of y that is explained by the linear model.
What is the coefficient of determination (or r squared)?
500
This number comes first if all the numbers are arranged alphabetically.
What is 8 (eight)?
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