There are one-month data. The production rate varies from day to day. Number of non-conforming components are also given with number inspected. Draw a p-chart and find the control limits.
Mazurek Gravity Latest Questions
A device used for lifting or lowering an object suspended from a hook at the end of retractable chains is called (a) Jib crane (b) Hoist (c) Portable elevator (d) Chain conveyor
The result of compliance of an article give a mean number of complain to be 4.25. find the 3𝜎 control limit for c chart
Industrial truck is frequently used in (a) Warehouses (b) Manufacturing work of shop floor (c) Both (a) and (b) (d) None of these
The demand for a product in the month of march turned out to be 20 units against an earlier made forecast of 20 units. The actual demand for April and May turned to be 25 and 26 units ...Read more
In an exponential smoothing method (a) All the past data have equal weights (b) Recent data has lesser weight than the past data (c) Recent data has more weight than the past data (d) None of these
Which of the following is known as count of defect chart? (a) X-bar and R-chart (b) p-chart (c) c-chart (d) u-chart
Justify the statement “For a variable quality characteristic tolerance have same meaning as specification of a product”.
The following data give reading for ten sample of size 8 each in the production of the certain component draw a control chart for mean (X-chart) and range (R-chart) and point out which sample if any are out ...Read more