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## Main Question or Discussion Point

1. 'Find an expression in terms of x for the variance of: 9,4,x,3'

Give your answer in the form of ax^2 + bx + c

I would usually give you some information of how I could possibly tackle this question but unfortunetly I have no idea. Could someone shed some light? Thanks

Give your answer in the form of ax^2 + bx + c

I would usually give you some information of how I could possibly tackle this question but unfortunetly I have no idea. Could someone shed some light? Thanks