Measurements within and between the labs

Reference no: EM131015097

The data set labcomp .txt is the result of an "inter-lab" study where multiple labs, in this case each located at a different plant, participate in a study to compare measurements within and between the labs. For this study, the surface area of a silica was measured by each lab seven times. All labs had the capability of measuring using a 1-point CTAB procedure, and in addition two labs also measured using a 5-point CTAB procedure.

(a) Calculate summary statistics for each lab.

(b) Make side-by-side box plots comparing the labs (one for the 1-point data and one for the 5-point data)

(d) Describe the distributions, and note any differences among the labs.

Reference no: EM131015097

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