Question
Janelle is on the track team and runs the 800 meters every meet. Here are the times (in seconds) for her previous 6 races: 140
Janelle is on the track team and runs the 800 meters every meet. Here are the times (in seconds) for her previous 6 races:
140 144 143 149 139 137
- Calculate the standard deviation.
- Interpret the standard deviation.
4. In the 2008 season, quarterback Kurt Warner led the Arizona Cardinals to the Super Bowl. Here are the number of passing yards he had in each of 16 regular season games.
197 361 192 472 250 236 381 343 328 395 351 235 279 270 30 263
a. Calculate the standard deviation.
b. Interpret the standard deviation.
c. Removing which value would change the standard deviation the most? Explain your reasoning.
d. Removing which value would change the standard deviation the least? Explain your reasoning.
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Making Hard Decisions with decision tools
Authors: Robert Clemen, Terence Reilly
3rd edition
538797576, 978-0538797573
