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CHETANA PUBLICATION-Statistics-EXERCISE
- The formula to find mean from a grouped frequency table is bar x=A+g((...
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- The formula to find mean by direct method is ..........
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- Class width of any class interval is.....a) Lower limit + upper limit ...
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- The formula for median is.... a) L+(N/2-c.f.)h/fb)L/2+(N/2-c.f.)h/f c)...
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- The formula to find the mean deviation(bar d) in Assumed mean method i...
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- In step deviation method, ui is given by...a)A+bar d b)(xi-A)/g c)(xi+...
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- If sum fi di =1885 and sum fi=100, then the value of bar d is...a)1.88...
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- The formula of mode is....a)L+[(f1-f0)/(2f1-f0-f2)] xxh b)L-[(f1-f0)/(...
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- The formula to find mean by step deviation method is....a)(sum fiui)/(...
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- A pie diagram represents the number of valid votes obtained by four st...
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- A pie diagram represents the number of valid votes obtained by four st...
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- A pie diagram represents the number of valid votes obtained by four st...
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- A pie chart gives the marks scored in an examination by a student in v...
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- A pie chart gives the marks scored in an examination by a student in v...
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- A pie chart gives the marks scored in an examination by a student in v...
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- The class mark of the class interval 120-130 is...a)125 b)122.5 c)120 ...
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- The class width of the class interval 133-139 is...a)3 b)5 c)6 d)4
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- The persons of O-blood group are 40%. The classification of persons ba...
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- For a certain frequency distribution median class is 129.5 to 134.5, f...
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- Find the mean of the following data 12,18,15,17,11,10.
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