Thirty-two successive samples of 100 castings each, taken from a production line, contained numbers of defectives as

Question:

Thirty-two successive samples of 100 castings each, taken from a production line, contained numbers of defectives as follows:

3, 3, 5, 3, 5, 0, 3, 1, 3, 5, 4, 2, 4, 3, 5, 4, 3, 4, 5, 6, 5, 6, 4, 4, 7, 5, 4, 8, 5, 6, 6, 7

If the proportion defective is to be maintained at 0.02, use the Shewhart method (both UK and US standard) to indicate whether this proportion is being maintained, and if not then after how many samples action should be taken.

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For  book-img-for-question
Question Posted: