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​Thirty-five samples of size 7 each were taken from a​ fertilizer-bag-filling machine at Panos Kouvelis Lifelong Lawn Ltd. The results​ were: Overall mean​ = 54.75 ​lb.; Average range R ​= 1.64 lb.

For the given sample​ size, the control limits for ​3-sigma x chart ​are: _________

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Parrain

Based on the overall mean, the average range, and the control limit factor, the upper control limit is 55.437.

What is the upper control limit?

This can be found by the formula:
= Overall mean + (Mean factor for sample size 7 x Average range)

Solving gives:

= 54.75 + (0.419 x 1.64)

= 55.437

Find out more on control limits at https://brainly.com/question/15581863.

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