A stud manufacturer wants to determine the inner diameter of a certaingrade of tire. Ideally,...

Ajay Satsangi

Ajay Satsangi

2022-08-12

A stud manufacturer wants to determine the inner diameter of a certain
grade of tire. Ideally, the diameter would be 15mm.The data are as follows:
15, 16, 15, 14, 13, 15, 16, 14
(i) Find the sample mean and median.
(ii) Find the sample variance, standard deviation and range
(iii) Using the calculated statistics in parts (i) and (ii) Comment on
the quality of stud.

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