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gracehiller11 gracehiller11
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6 years ago
A public bus company official claims that the mean waiting time for bus number 14 during peak hours is less than 10 minutes.
 
  Karen took bus number 14 during peak hours on 18 different occasions. Her mean waiting time was 7.5 minutes with a standard deviation of 2.1 minutes. At the 0.01 significance level, test the claim that the mean is less than 10 minutes.
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somedaysundaysomedaysunday
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6 years ago
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gracehiller11 Author
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6 years ago
Helped a lot
2ne1_12345
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Yesterday
Smart ... Thanks!
Kstan109
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2 hours ago
This helped my grade so much Perfect
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