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Random Variables

11 minutes, 17 seconds

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Part of the Against All Odds: Inside Statistics Series. This episode focuses on the necessity of including random variables when problem solving. Statisticians use the Challenger Space Shuttle disaster to illustrate how probability calculations on random variables can aid in predicting failure.

Media Details

Runtime: 11 minutes, 17 seconds

Topic: Mathematics
Subtopic: Mathematics
Grade/Interest Level: 10 - 12
Standards:

Release Year: 2013
Producer/Distributor: Annenberg
Series: Against All Odds: Inside Statistics
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Closeup of man with furrowed brow and lips puckered in mid-speech. Map in background. Caption. Here we collected, in one year we collected.

Closeup side view of a midsection with arms holding a large tube up to a machine. Caption. Jenna can calculate the percent of nitrogen in the sample.

Smiling man kneels with arm resting on one leg and lips parted in mid-speech. Field of grass swarming with brown chickens in background. Caption. The big thing is certified organic grain.

Middle-aged man with mustache wears sunglasses and holds onto railing of a boat as he leans forward. Caption. That's too fast in there.

Middle-aged man with mustache wears tinted aviator glasses and looks at man whose back faces camera at left edge of frame. Caption. They had other things in common.

Closeup of a T, V screen with black and white still of Fred Flintstone sitting in a stone chair and turning toward viewer with cigarette in his hand.

Man in suit with eyes closed and lips pursed in mid-speech. American flag in background. Title bar reads, "Mario Matthews. Regional Director, United States Census Bureau." Caption. Because the United States is such a dynamic country.

Woman stands with fingertips touching and lips parted in mid-speech. Bar graph superimposed on left side of screen. Caption. If we were to run the experiment over again many times.