An 
chart is being developed using 25 samples of size 8 each.The average of 25 sample means is 6.20.The average of the 25 ranges is 0.30.The lower control limit is ___.
Definitions:
Lower Inventories
A strategy aiming to reduce the quantity of goods or materials a company holds in stock to minimize holding costs and increase efficiency.
More Warehouses
The strategy of increasing storage space to manage inventory more effectively, improve distribution speed, and meet customer demand.
Protein Feed
A type of animal feed that is high in protein content, used to nourish livestock and improve their growth, development, and productivity.
Sacks of Feed
Bags or containers used to hold and transport animal feed or grains.
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