Khan Academy
7 713 vidéos, +5 400 000 abonnés

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Linkage institutions and political parties7:312 949
Voter Turnout10:802 378
Models of voting behavior5:183 913
Demand curve for money in the money market8:152 558
Equilibrium nominal interest rates in the money market3:592 254
Calculating two sample z interval (confidence interval for difference of proportions)5:411 667
Examples identifying conditions for two sample z-tests and z-intervals4:361 079
Confidence intervals for the difference between two proportions8:434 815
Core beliefs around the role of government in the US8:322 188
Judicial constraint vs judicial activism8:182 217
Automatic stabilizers | APⓇ Macroeconomics | Khan Academy5:163 493
Rule making and discretionary authority of the federal bureaucracy5:231 909
Another average velocity and speed example3:132 751
Average velocity and speed worked example4:521 850
Money creation in a fractional reserve system | APⓇ Macroeconomics | Khan Academy8:903 530
Introduction to the federal bureaucracy4:573 845
Iron triangles and issue networks3:432 286
Congressional oversight of executive bureaucracy4:283 041
Executive and legislative reactions to disagreements with Supreme Court6:204 069
Presidents' bully pulpit5:557 825
Expansion of presidential power9:484 067
Senate check on presidential appointments3:363 671
Divided government and gridlock in the United States5:432 660
Introduction to lipids5:436 143
Introduction to nucleic acids and nucleotides5:553 099
Introduction to carbohydrates4:286 609
Introduction to proteins and amino acids5:535 995
Fiscal policy to address output gaps | APⓇ Macroeconomics | Khan Academy6:562 242
Calculating change in spending or taxes to close output gaps6:541 921
How to calculate interquartile range IQR | Data and statistics | 6th grade | Khan Academy6:12198 331
Long run self adjustment4:442 191
Short run and long run equilibrium and the business cycle10:115 934
Winners and losers from inflation and deflation6:144 449
Example question calculating CPI and inflation7:452 971
Comparing P values to significance levels4:413 200
AP Statistics free response on significance test for mean11:533 025
Comparing P value from t statistic to significance level3:39742
Calculating P value from t statistic4:532 035
Using TI calculator for P value from t statistic3:191 866
Conditions for a t test about a proportion5:332 547
Example calculating t statistic for a test about a mean5:203 997
When to use z or t statistics in significance tests4:513 637
Conditions for a t test for a mean5:483 079
Writing hypotheses for significance test about means2:34941
Calculating P value from z table5:273 512
Comparing P value to significance level example5:141 831
Full significance test example from AP test13:201 935
Calculating a z statistic in a significance test4:514 533
Article VI of the Constitution | US Government and Politics | Khan Academy13:522 901
Article V of the Constitution | US Government and Politics | Khan Academy17:121 500
Article IV of the Constitution | US Government and Politics | Khan Academy13:592 026
Constructing hypotheses for a significance test4:161 791
Gerrymandering6:005 028
Representatives as delegates, trustees and politicos6:182 098
Tax multiplier, MPC and MPS7:583 117
Natural, cyclical, structural and frictional unemployment rates | Khan Academy5:393 244
Limitations of GDP | AP® Macroeconomics | Khan Academy7:543 459
Article III of the Constitution | US Government and Politics | Khan Academy16:573 104
Article II of the Constitution | US Government and Politics | Khan Academy17:472 360
Article I of the Constitution | US Government and Politics | Khan Academy13:232 505
The Preamble to the Constitution | US Government and Politics | Khan Academy14:553 321
Expenditure approach to calculating GDP examples | AP® Macroeconomics | Khan Academy8:601 626
Impact of mutations on translation into amino acids8:523 601
Meet Sean, a creator of AP Physics on Khan Academy2:607 171
Meet Kim, one of the creators of Khan Academy's AP US History lessons1:453 892
Examples thinking about power in significance tests4:221 761
Introduction to Power in significance tests9:452 403
Examples identifying Type I and Type II errors5:442 221
Introduction to Type I and Type II errors5:302 217
Comparing p-values to significance levels4:442 281
Estimating p value from simulation4:455 542
p values and significance tests7:588 955
Examples of null and alternative hypotheses5:425 511
Diagramming how a bill becomes a law in the U.S.7:188 165
Senate filibusters and cloture6:501 650
Ohm's Law and basic circuits9:4712 778
A heartfelt thank you from Khan Academy!1:2549 687
How to recognize relative and absolute maxima and minima | Functions | Algebra I | Khan Academy4:589 147
Arteries vs. veins-what's the difference? | Circulatory system physiology | NCLEX-RN | Khan Academy7:4424 619
Relative maxima and minima worked example1:491 368
Presidential signing statements5:143 621
Executive Orders8:803 512
Formal and informal powers of the US President8:103 486
Earmarks, pork barrel projects and logrolling9:352 531
Discretionary and mandatory outlays of the US Federal Government6:243 740
The House of Represenatives in comparison to the Senate5:225 199
Senate filibusters, unanimous consent and cloture6:422 266
How a bill becomes a law10:375 045
Introduction to the public policy process5:472 263
Sample size for a given margin of error for a mean7:422 886
Confidence interval for a mean difference9:461 715
Calculating a one-sample t interval for a mean5:581 745
Conditions for valid t intervals4:541 765
Example finding critical t value3:591 566
Simulation showing value of t statistic3:141 221
Introduction to t statistics4:263 825
Determining sample size based on confidence and margin of error8:103 979
Example calculating confidence interval6:353 160
Sample statistic bias worked example2:518 981
Critical value for a given confidence level6:225 205

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