Song Library
Understand that standard error changes with the square root of the sample size.
Question Set
110
170
2. /smiles/songs/anova
ANOVA – 2:46
Recognize, in context, the idea of ANOVA as comparing variance between groups to variance within groups.
Question Set
111
171
3. /smiles/songs/central_limit_theorem
Central Limit Theorem – 1:12
Recognize when the Central Limit Theorem applies.
Question Set
104
176
4. /smiles/songs/chi-squared_dance
Chi-Squared Dance – 1:35
Recognize, in context, parts of a chi-squared test for independence (null, degrees of freedom, and observed vs expected rationale).
Question Set
112
168
5. /smiles/songs/correlation_not_causation
Correlation Does Not Imply Causation – 3:33
Recognize and construct examples to illustrate how correlation does not imply causation.
Question Set
93
179
6. /smiles/songs/correlation_illustration
Correlation Illustration – 1:21
Interpret positive, negative, and zero correlation and transfer knowledge about associations to new context/situations.
Question Set
116
167

7. /smiles/songs/correlation_song
Correlation Song – 0:34
Identify the meaning of correlation and its relationship to the slope of the regression line.
Question Set
78
Don't Buy a Carpet – 1:30
Recognize how a change in units affects the variance (since variance is expressed in squared units).
Question Set
115
166
9. /smiles/songs/estimation_notation
Estimation Notation: It's Greek (and Roman) to Me – 1:10
Identify sample and population quantities in context and match to standard statistical notation. (Instructors: Please check alignment with your curriculum)
Question Set
80
165
10. /smiles/songs/everythings_significant
Everything's Unusual (Long) – 3:57
Reason how larger sample sizes decrease the p-value, all else being equal.
Question Set
89
164
11. /smiles/songs/everythings_significant_short
Everything's Unusual (Short) – 2:44
Reason how larger sample sizes decrease the p-value, all else being equal.
Question Set
89
164
12. /smiles/songs/height_of_confidence
Height of Confidence – 2:42
Reason about the factors that affect the width of a confidence interval (sample size, confidence level, standard deviation).
Question Set
77
163
13. /smiles/songs/make_a_good_bar_graph
Help Me Make a Good Bar Graph – 0:38
Recognize good properties of a bar graph.
Question Set
182
14. /smiles/songs/hypothesis_on_trial
Hypothesis on Trial – 1:38
Identify counterparts in the courtroom analogy for hypothesis test (innocence ≈ null; acquit ≈ fail to reject; etc.). Identify errors of Type I and II in context.
Question Set
79
162
15. /smiles/songs/inferential_descriptive_statistics
Inferential and Descriptive Statistics – 1:27
Contrast inferential and descriptive statistics with respect to their different goals and typical tools or outputs.
Question Set
82
16. /smiles/songs/fitting_conclusion
Is the Conclusion Fitting? – 0:42
Apply relationships among alpha level, p-value, and the decision of a hypothesis test.
Question Set
75
169
It Might Not Be That Bad – 3:03
Applying Bayes' rule or examining marginal and conditional proportions in a table to see how, for rare conditions, most positive test results may be false positives.
Question Set
113
173
18. /smiles/songs/levels_of_measurement
Levels of Measurement – 2:01
Give 4 levels of measurement (nominal, ordinal, interval, ratio scales) in appropriate hierarchical order and identify examples of each level in a real-world context.
Question Set
74
161
19. /smiles/songs/my_familys_mean
My Family's Mean (Long) – 2:22
Reason about mean and median, and the effect of an outlier.
Question Set
83
160
20. /smiles/songs/my_familys_mean_short
My Family's Mean (Short) – 1:28
Reason about mean and median, and the effect of an outlier.
Question Set
83
160
No One Counted On Simpson's Paradox – 2:13
Explore Simpson’s paradox and recognize how a third variable might drive the relationship between two others.
Question Set
94
174
22. /smiles/songs/probability_rules_rap
Probability Rules Rap – 1:02
Recognize and apply the basic rules of probability and distinguish between their use.
Question Set
76
180
23. /smiles/songs/regression_rumba
Regression Rumba – 1:46
Interpret basics of regression, including: checking assumptions, interpretation of slope, r, and r^2.
Question Set
103
159
24. /smiles/songs/super_bowl_poll
Super Bowl Poll – 1:28
Apply margin of error in the context of a poll question, including that variability decreases with the square root of sample size.
Question Set
95
158
25. /smiles/songs/target_practice
Target Practice – 1:08
Identify examples of biased (e.g. range) and unbiased (e.g. mean) estimators.
Question Set
114
157
26. /smiles/songs/enlightened_teacher
The Enlightened Teacher – 1:55
Identify factors that allow a sample of data to be representative of the population and distinguish between random and convenience samples.
Question Set
96
175
27. /smiles/songs/null-hypothesis
The Null Hypothesis – 1:01
Identify the null hypothesis (as opposed to the alternative hypothesis) for the most common situations.
Question Set
156
28. /smiles/songs/throw_that_out
Throw That Out? – 1:36
Identify factors to consider when deciding how outliers should be treated, as well as factors for deciding if a study is worthwhile.
Question Set
81
177
29. /smiles/songs/what_p-value_means
What P-Value Means – 0:12
Understand the definition of a P-value.
Question Set
85
178
30. /smiles/songs/y_hat_dance
Y Hat Dance – 0:57
Reason about the meaning of and distinguish among observed, fitted, and residual values.
Question Set
84

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