19. The following table gives the daily low temperature of random 27 days. Complete the table and calculator the sample mean. Round the answer to two decimal points. (6pts) Daily low temperatue Freq (f ) class midpt (x) f.x 25-29 30-34 35-39 9. 40-44 6. 45-49 50-54 1 n= Σf = Σ fx) = %3D %3D %3D Σ (f-x) Find the sample mean using x %3D 4.

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