• ### Example question calculating CPI and inflation - Duration: 7 minutes, 45 seconds.

• 1,558 views
• 12 hours ago
• CC
• ### Comparing P values to significance levels - Duration: 4 minutes, 41 seconds.

• 913 views
• 18 hours ago
• CC
• ### AP Statistics free response on significance test for mean - Duration: 11 minutes.

• 2,090 views
• 1 day ago
• CC
• ### Comparing P value from t statistic to significance level - Duration: 3 minutes, 39 seconds.

• 174 views
• 1 day ago
• CC
• ### Calculating P value from t statistic - Duration: 4 minutes, 53 seconds.

• 1,200 views
• 1 day ago
• CC
• ### Using TI calculator for P value from t statistic - Duration: 3 minutes, 19 seconds.

• 1,104 views
• 1 day ago
• CC
• ### Conditions for a t test about a proportion - Duration: 5 minutes, 33 seconds.

• 1,488 views
• 1 day ago
• CC
• ### Example calculating t statistic for a test about a mean - Duration: 5 minutes, 2 seconds.

• 3,361 views
• 5 days ago
• CC
• ### When to use z or t statistics in significance tests - Duration: 4 minutes, 51 seconds.

• 2,701 views
• 5 days ago
• CC
• ### Conditions for a t test for a mean - Duration: 5 minutes, 48 seconds.

• 2,447 views
• 6 days ago
• CC
• ### Writing hypotheses for significance test about means - Duration: 2 minutes, 34 seconds.

• 457 views
• 1 week ago
• CC
This item has been hidden
• ## Past live streams Play all

• ### Back-to-school fireside chat with Sal Khan - Duration: 40 minutes.

• 40,555 views
• Streamed 5 months ago
• CC
• ### Khan Academy LearnStorm - Growth Mindset Livestream - Duration: 51 minutes.

• 156,667 views
• Streamed 5 months ago
• CC
• ### Khan Academy Live: SAT Writing - Duration: 51 minutes.

• 32,547 views
• Streamed 8 months ago
• CC
• ### Khan Academy Live: SAT Reading (Hangouts on air) - Duration: 45 minutes.

• 27,819 views
• Streamed 8 months ago
• CC
• ### Khan Academy Live: SAT Math - Duration: 48 minutes.

• 71,684 views
• Streamed 9 months ago
• CC
• ### Khan Academy Live: AP US History - Duration: 1 hour, 2 minutes.

• 43,996 views
• Streamed 9 months ago
• CC
• ### Khan Academy Live: AP Calculus - Duration: 1 hour, 10 minutes.

• 60,624 views
• Streamed 9 months ago
• ### Conversation on Google+ with Sal Khan - Duration: 1 hour.

• Streamed 4 years ago
• ### Sal Khan talks to Arne Duncan - Duration: 36 minutes.

• Streamed 4 years ago
• CC
This item has been hidden
to add this to Watch Later