{"id":12449,"date":"2021-10-30T02:55:00","date_gmt":"2021-10-30T02:55:00","guid":{"rendered":"https:\/\/assignmenttutors.net\/blog\/auto-pistons-at-yongpin-zhous-plant-in-shanghai-are-produced-in-a\/"},"modified":"2021-10-30T02:55:00","modified_gmt":"2021-10-30T02:55:00","slug":"auto-pistons-at-yongpin-zhous-plant-in-shanghai-are-produced-in-a","status":"publish","type":"post","link":"https:\/\/assignmenttutors.net\/blog\/auto-pistons-at-yongpin-zhous-plant-in-shanghai-are-produced-in-a\/","title":{"rendered":"Auto pistons at yongpin zhou’s plant in shanghai are produced in a"},"content":{"rendered":"
\n

S6.7: Auto pistons at Yongpin Zhou’s plant in Shanghai are produced in a forging process, and the diameter is a critical factor that must be controlled. From sample sizes of 10 pistons produced each day, the mean the range of this diameter have been as follows:<\/span><\/p>\n\n\n\n\n\n\n\n\n
\n

Day<\/span><\/strong><\/p>\n<\/td>\n

\n

Mean (mm)<\/span><\/strong><\/p>\n<\/td>\n

\n

Range(mm)<\/span><\/strong><\/p>\n<\/td>\n<\/tr>\n

\n

1<\/span><\/p>\n<\/td>\n

\n

156.9<\/span><\/p>\n<\/td>\n

\n

4.2<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

2<\/span><\/p>\n<\/td>\n

\n

153.2<\/span><\/p>\n<\/td>\n

\n

4.6<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

3<\/span><\/p>\n<\/td>\n

\n

153.6<\/span><\/p>\n<\/td>\n

\n

4.1<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

4<\/span><\/p>\n<\/td>\n

\n

155.5<\/span><\/p>\n<\/td>\n

\n

5<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

5<\/span><\/p>\n<\/td>\n

\n

156.6<\/span><\/p>\n<\/td>\n

\n

4.5<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u00a0<\/span><\/p>\n

a.What is the value x bar?<\/span><\/strong><\/p>\n

b. What is the value of R bar?<\/span><\/strong><\/p>\n

c. What are the UCL_x bar and LCL_x bar using 3 sigma?<\/span><\/strong><\/p>\n

S.6.15: The results of inspection of DNA samples taken over the past 10 days are given below. Sample size is 100.<\/span><\/p>\n\n\n\n\n
\n

Day<\/span><\/p>\n<\/td>\n

\n

1<\/span><\/p>\n<\/td>\n

\n

2<\/span><\/p>\n<\/td>\n

\n

3<\/span><\/p>\n<\/td>\n

\n

4<\/span><\/p>\n<\/td>\n

\n

5<\/span><\/p>\n<\/td>\n

\n

6<\/span><\/p>\n<\/td>\n

\n

7<\/span><\/p>\n<\/td>\n

\n

8<\/span><\/p>\n<\/td>\n

\n

9<\/span><\/p>\n<\/td>\n

\n

10<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

Defectives<\/span><\/p>\n<\/td>\n

\n

7<\/span><\/p>\n<\/td>\n

\n

6<\/span><\/p>\n<\/td>\n

\n

6<\/span><\/p>\n<\/td>\n

\n

9<\/span><\/p>\n<\/td>\n

\n

5<\/span><\/p>\n<\/td>\n

\n

6<\/span><\/p>\n<\/td>\n

\n

0<\/span><\/p>\n<\/td>\n

\n

8<\/span><\/p>\n<\/td>\n

\n

9<\/span><\/p>\n<\/td>\n

\n

1<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u00a0<\/span><\/p>\n

a) Construct a 3-sigma p-chart using this information.<\/span><\/strong><\/p>\n

\u00a0<\/p>\n

b) If the number of defectives on the next three days are 12, 5 and 13, is the process in control?<\/span><\/strong><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

S6.7: Auto pistons at Yongpin Zhou’s plant in Shanghai are produced in a forging process, and the diameter is a critical factor that must be controlled. From sample sizes of 10 pistons produced each day, the mean the range of this diameter have been as follows: Day Mean (mm) Range(mm) 1 156.9 4.2 2 153.2 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[31],"tags":[],"class_list":["post-12449","post","type-post","status-publish","format-standard","hentry","category-homework-help"],"_links":{"self":[{"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/posts\/12449","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/comments?post=12449"}],"version-history":[{"count":0,"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/posts\/12449\/revisions"}],"wp:attachment":[{"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/media?parent=12449"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/categories?post=12449"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/tags?post=12449"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}