Resistors from a particular production process

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Below are values for the resistances of 20 randomly selected resistors from a particular production process.

4.239    4.398    4.419    4.444    4.448    4.561   4.744    4.803   4.912 4.916

4.967   5.037   5.110   5.164   5.285   5.309   5.309   5.548   6.043 7.160

(a) Construct a normal probability plot for these data.

(b) Construct an 80% prediction interval for the resistance of a new ran­ domly selected resistor from this process.

(c) Construct an interval that will cover 80% of the population with 90% confidence.

Reference no: EM131015206

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