LSSGB: In the theory of control charts, the distribution of the number of defects per unit follows very closely the:

OPTIONS

• Normal distribution
• Binomial distribution
• Chi-square distribution
• Poisson distribution

ANSWER

Poisson Distribution

EXPLANATION

The normal distribution relates to variable data and not attribute data. The chi-square distribution is used to make inferences regarding population variances. The binomial distribution is assumed for defectives. The Poisson distribution is assumed for defects.