Construct an $R$ chart and determine whether the process variation is within statistical control.

A machine is supposed to fill cans that contain 12 ounces. Each hour, a sample of four cans is tested; the results of 15 consecutive hours are given below.

Question

Construct an $R$  chart and determine whether the process variation is within statistical control.
 
A machine is supposed to fill cans that contain 12 ounces. Each hour, a sample of four cans is tested; the results of 15 consecutive hours are given below.

Quizplus · Accepted Answer

The Answer is The process appears to be within statistical control. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB1008/11eb3ab8_c3b2_2f15_9b48_1d8a028f5da0_TB1008_00.jpg" alt="The process appears to be within statistical control.  " class="answers-bank-image d-block" rel="preload" >

Construct An RRR Chart and Determine Whether the Process Variation Is Within Statistical

Construct An $R$ Chart and Determine Whether the Process Variation Is Within Statistical