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16 Cards in this Set
- Front
- Back
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Chapter 2 |
Who, what (categories or qualitative), when, where, why, how |
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Ch. 3 Displaying & describing categorical data |
Frequency table, bar chart, Pareto chart (bar chart for many categories), pie chart, contingency table, segmented bar chart ch |
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Ch.4 Disaging Quantitative Data |
Histogram, stem and leaf, dot plot (Center, unusual, shape, spread) |
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Unimodal |
One bar tallest ( two or more if they are close together) |
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Bimoda |
Generally the same amount of bars on each side of peak |
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Ake |
Two peaks etc music thing |
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Skewed |
more data towards one side m; where the tail is ( right or left skewed) |
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Uniform |
Straight same amount across |
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Histogram |
stat edit: enter data into L1, 2nd Y= stat plot on, x-list L, histogram, zoom-9 stat |
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Ch. 5 Describing Distributions Numerically |
Center (mean, median, mode) variation(standard deviation) |
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Five Number Summary |
Min, Q1, median, Q3, maximum, IQR(Q3-Q1) |
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Outliers |
Q1- (1.5IQR)= lower fence Q3+(1.5IQR)=upper fence if number outside of fence it is an outlier |
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Trimmed mean |
Take lowest and highest off example 5% of 20 numbers is 1 so you take 1 off |
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When unimodal +symmetric |
Mean & SD |
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Skewed |
Median & IQR |
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Z scores |
Number of SDs away from mean |
