Two brands of light bulbs are tested. Brand A has a mean lifespan of 900 hours, and Brand B has a mean of 912 hours. If both have a MAD of 8 hours, what can be concluded?

The lifespans of the two brands are significantly different.

The lifespans of the two brands are not very different.

Brand B bulbs always last longer than Brand A bulbs.

The data for Brand B is more spread out than for Brand A.

Two bakeries track their daily cookie sales. Bakery 1 has a mean of 200 sales with a MAD of 5. Bakery 2 has a mean of 200 sales with a MAD of 20. Which statement is true?

Bakery 2 has more consistent daily sales than Bakery 1.

Bakery 1 has more consistent daily sales than Bakery 2.

Both bakeries sell the exact same number of cookies each day.

Bakery 2 is more popular than Bakery 1.