A quality technician claims that the variance of the insert diameters produced by a plastic company’s new injection mold for automobile dashboard inserts is less than the variance of the insert...

A quality technician claims that the variance of the insert diameters produced by a plastic company’s new injection mold for automobile dashboard inserts is less than the variance of the insert diameters

produced by the company’s current mold. The table shows samples of insert diameters (in centimeters) for both the current and new molds. At a = 0.05, can you support the technician’s claim?