$($b$-2)$ List some benefits that would govern the decision to call an expert statistician.

Note: You may select more than one answer. Slngle cllek the box with the questlon mark to produce a check mark for a

correct answer and double cllck the box with the questlon mark to empty the box for a wrong answer. Any boxes left with a

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$?$ Better sampling strategles, which can result In more useful data.

$?$ Better understanding of what information can be extracted from the data.

$?$ Greater confidence in the results.

$?$ Projects are always delivered on time.