Whichof the following isNOT CORRECT about arandomized complete block...

QUESTION Which of the following is NOT CORRECT about a randomized c ....

. WhichÂ Â ofÂ Â theÂ Â followingÂ Â isÂ Â NOTÂ Â CORRECTÂ Â aboutÂ Â aÂ Â randomizedÂ Â completeÂ Â blockÂ Â experiment?Â Â (a)Â Â EveryÂ Â blockÂ Â isÂ Â randomizedÂ Â separatelyÂ Â fromÂ Â everyÂ Â otherÂ Â ...

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. WhichÂ Â ofÂ Â theÂ Â followingÂ Â isÂ Â NOTÂ Â CORRECTÂ Â aboutÂ Â aÂ Â randomizedÂ Â completeÂ Â blockÂ Â experiment?Â Â
(a)Â Â EveryÂ Â blockÂ Â isÂ Â randomizedÂ Â separatelyÂ Â fromÂ Â everyÂ Â otherÂ Â block.Â Â
(b)Â Â EveryÂ Â treatmentÂ Â mustÂ Â appearÂ Â atÂ Â leastÂ Â onceÂ Â inÂ Â everyÂ Â block.Â Â
(c)Â Â BlockingÂ Â isÂ Â usedÂ Â toÂ Â removeÂ Â theÂ Â effectsÂ Â ofÂ Â anotherÂ Â factorÂ Â (notÂ Â ofÂ Â interest)Â Â fromÂ Â theÂ Â comparisonÂ Â ofÂ Â
levelsÂ Â ofÂ Â theÂ Â primaryÂ Â factor.Â Â
(d)Â Â TheÂ Â ANOVAÂ Â tableÂ Â willÂ Â haveÂ Â anotherÂ Â lineÂ Â inÂ Â itÂ Â forÂ Â theÂ Â contributionÂ Â toÂ Â theÂ Â variabilityÂ Â fromÂ Â blocks.Â Â
(e)Â Â BlocksÂ Â shouldÂ Â containÂ Â experimentalÂ Â unitsÂ Â thatÂ Â areÂ Â asÂ Â differentÂ Â asÂ Â possibleÂ Â fromÂ Â eachÂ Â other.Â Â

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QUESTION:

WhichÂ Â ofÂ Â theÂ Â followingÂ Â isÂ Â NOTÂ Â CORRECTÂ Â aboutÂ Â aÂ Â randomizedÂ Â completeÂ Â blockÂ Â experiment?Â Â

(a)Â Â Every block is randomized separately from every other block.Â Â

(b)Â Â Every treatment must appear at least once in every block.Â Â

(c)Â Â Blocking is used to remove the effects of another factorÂ Â (notÂ Â ofÂ Â interest)Â Â from the comparison of levelsÂ Â of the primary factor.Â Â

(d)Â Â The ANOVAÂ Â table will have another line in it for the contribution to the variability from blocks.Â Â

(e)Â Â Blocks should contain experimental units that are as different as possible from each other.Â Â

ANSWER:

It does not necessary that blocks should contain experimental units that are as different as possible from each other.

Option E is correct.

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