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jnahal
Starting Member
8 Posts |
 Posted - 2008-07-01 : 23:32:19
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| Find the variance and the standard deviation for the frequency distribution of the data representing the number of miles that 14 runners ran during one week. Round your final answers to one decimal place.Class Frequency Midpointtiny5.5 - 10.5 space 3 space 810.5 - 15.5 1 1315.5 - 20.5 1 1820.5 - 25.5 1 2325.5 - 30.5 4 2830.5 - 35.5 3 3335.5 - 40.5 1 38 |
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khtan
In (Som, Ni, Yak)
17689 Posts |
Posted - 2008-07-01 : 23:34:22
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Did you ever attempt to answer those questions at all ?What have you tried so far ? If you encounter problem, post here and we will help. But we will not do your homework for you.
KH[spoiler]Time is always against us[/spoiler] |
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jnahal
Starting Member
8 Posts |
Posted - 2008-07-01 : 23:37:51
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| i have solved 12 problems out of 15 and i need answer to these 3. i have tried my best thats why i am here for the help. abs. no idea please help me |
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khtan
In (Som, Ni, Yak)
17689 Posts |
Posted - 2008-07-01 : 23:38:50
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so what have you tried with this question ? Post your query here
KH[spoiler]Time is always against us[/spoiler] |
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jezemine
Master Smack Fu Yak Hacker
2886 Posts |
Posted - 2008-07-02 : 00:51:17
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look up "standard deviation" in BOL.
elsasoft.org |
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variance and the standard deviation