The mean lifespan of a sylvania light bulb

Asked by maham237 @ in Mathematics viewed by 353 People

The mean lifespan of a sylvania light bulb is 1600 hours with a standard deviation of 300 hours, an iqr of 450 hours, and a range of 690 hours. the lifespan distribution is relatively symmetric. which measure of spread is the best measurement?

Answered by maham237 @


Given that the
mean lifespan of a sylvania light bulb is 1600 hours with a standard
deviation of 300 hours, an iqr of 450 hours, and a range of 690 hours.
the lifespan distribution is relatively symmetric.

Since, the distribution is relatively symmetric, the measure of
spread that is the best measurement is the standard deviation.

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