A Production Run of 500 Items Resulted in 29 Defectives

question 36

Multiple Choice

A production run of 500 items resulted in 29 defectives items.A defective item is coded as 1 and a good item as 0.The following is an output from Minitab. Runs Test: Defects
Runs test for Defects
Runs above and below K = 0.058
The observed number of runs = 57
The expected number of runs = 55.636
29 observations above K,471 below
P-value = 0.574
Using α=0.1,the conclusion is __________________.

• A) successive items did not constitute a random sample.
• B) successive items constituted a random sample
• C) do not reject the hypothesis that successive items constituted a random sample
• D) reject the hypothesis that successive items constituted a random sample
• E) the distribution is binomial

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Definitions:

Generalize

To make broad statements or conclusions based on a limited set of observations or evidence, applying them widely.

Experimental Group

The group in a scientific study that receives the treatment or intervention being tested, compared against a control group.

Trolled

The act of deliberately provoking or antagonizing others online, often by posting inflammatory or off-topic messages in a community space.

Control Group

In scientific experimentation, a group of subjects who do not receive the treatment or intervention being tested, used as a benchmark to measure how the other tested subjects do.