Homework Help Forum: Elementary Statistics need help ASAP

Posted by Roxanne Singleton on Monday, November 2, 2009 at 9:53am.

Measures of Central Tendency Be sure to show your work so that partial credit may be awarded. 4. An MM207 statistics class surveyed 24 students to find out how many hours they spent doing homework during the previous week. 10 11 10 8 10 10 15 12 10 8 13 11 11 13 10 11 13 10 11 12 11 13 12 8 a. Calculate the mean for these data. (Round to 2 decimal places) b. Determine the median for these data

• Elementary Statistics need help ASAP - Roxanne Singleton, Monday, November 2, 2009 at 9:54am

  Measures of Variation Be sure to show your work 5. A placement test has a mean of 65 and a standard deviation of 2. A histogram of the data shows that the distribution is bell-shaped. Using the Empirical Rule, what two values have about 95% of the curve between them?

  
  

• Elementary Statistics need help ASAP - SraJMcGin, Monday, November 2, 2009 at 10:08am

  Here are tutorials to help you: http://www.google.com/search?q=Measures+of+Central+Tendency+tutorial&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a Sra

  
  

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