Question

The Good Chocolate Company makes a variety of chocolate candies, including chocolate bars sold in a package. The quality control department takes 6 packages at a time every half hour and records the weights of the bars.

.a) Construct the necessary control charts for the Good Chocolate Company and indicate if the process is in control, and if the control chart isreliable enough to monitor the process in the future

.b) Specifications limits for each bar are 320 grams to 360grams. Any item which has lower or higher weight than these spec limits will be considered as faulty. How are these speclimits related to the control limits you developed in part a? (Hint: How are specs created? How are control limits created? Should specs be larger than the control limits?) Provide a short discussion.

Subgroup	1	2	3	4	5	6
1	326	343	353	344	333	354
2	334	330	327	351	325	338
3	333	333	345	347	336	337
4	321	330	338	338	343	321
5	344	329	330	334	337	327
6	342	345	341	334	346	347
7	354	354	331	346	344	349
8	348	337	352	320	344	343
9	343	329	344	332	333	332
10	349	328	331	352	353	353
11	320	338	349	341	340	337
12	345	355	343	328	337	320
13	357	346	352	334	345	351
14	329	327	354	341	335	345
15	346	328	354	332	354	343
16	350	345	350	340	326	341
17	359	353	345	325	348	349
18	342	345	340	343	337	360
19	358	351	358	327	336	342
20	360	342	333	335	342	352

Answer 1