Statistics: Comparing Standard Deviations Without Calculation

How to compare standard deviations of distributions without calculation

[@daltondillon959]

Thank you, you are a life saver. I've been stuck on these problems for a little while now and they gave me no explanation, so thank you so very much.

[@tinamarie8509]

Thank you for a clear and to the point explanation

[@3ameralsayed938]

Thx .it is necessary for SAT

[@tianjunli1653]

Great video, thanks

[@CommunityUUG]

thank god for youtube

[@shakaohana1472]

OMG thank you so much

[@tianjunli1653]

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