A new machine is set or calibrated to fill tubes of toothpaste at precisely 6.75 ounces. Then,once the machine is running,a sample of six tubes is taken every three hours and weighed with the following results: 
What is the value for the lower control limit (LCL) of the range?
Definitions:
Independent Projects
Projects that can be accepted or rejected individually.
IRR
A capital budgeting tool, the Internal Rate of Return calculates the anticipated profit percentage of prospective investment projects.
Straight-Line Method
A depreciation accounting method that allocates the cost of a fixed asset evenly over its useful life.
Salvage Value
The estimated resale or scrap value of an asset at the end of its useful life, considered in depreciation calculations.
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