Сб задач по МС Каштанова 1 12 2010
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2.-3. 







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(§2):
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nA = 21, S A2, |
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nB = 16, SB2 |
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max(0,0756;0, 0725) 0, 0756 . |
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1 = n1 |
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4. 








5
= 0,05;



F (
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F ( 0,05; 20;15)
2,33.
39
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F F (1,043 < 2,33), |
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§ 4.3.



















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1. 














































(
40 







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7,22
7,79 
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0,10?
2.












10 























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0,17; 



0,25. 








0,10 














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3.






15 






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0,49.
=0,1,









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4. 



























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10 


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0,00064 (







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= 0,01 










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12 |
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14




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2 
















: 9,8; 10,4; 9,2; 9,5; 10,8; 9,0; 8,2; 9,8; 9,8; 10,0; 8,9; 9,2; 9,4; 9,1. 























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0,05.


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§ 4.1.





























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