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Samples were taken of two products with data in the table below. Does one product have a greater variance than the other at a 5%

Samples were taken of two products with data in the table below. Does one product have a greater variance than the other at a 5% risk level?

Product	n	std dev
A	31	19
B	21	12

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There is not a significant difference because F_test < F_critical

There is a significant difference because F_test < F_critical

There is not a significant difference because F_test > F_critical

There is a significant difference because F_test > F_critical

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