Earliest due date, Basic Statistics

Assignment Help:

Q1.(i)   A manufacturing firm has previously sequenced its jobs using the "Shortest Operation Time" (SOT) rule.  This has resulted in poor delivery performance with many jobs being delivered late.  They have now changed to the "Earliest Due Date" (EDD) rule in an attempt to improve their service to customers.  Two samples of data, one using SOT and one using EDD are shown below:

(a)    Use a SIMPLE test to check if the data can be regarded as "reasonably" Normal.

(b)   Has the delivery performance improved since the new (EDD) rule was introduced?  Explain your answer.

Note: "Negative Lateness" means the job was Early.

2280_Earliest Due Date.png

(ii)     Fluorescent light tubes used by a firm have a target life of 1600 hours.  However, accumulated data shows a mean time to failure of 1570 hours.  What proportion of the tubes could be expected to achieve the target life? (Explain your choice of model.).


Related Discussions:- Earliest due date

Define payroll accounting, It's a fact of business–if an organization has w...

It's a fact of business–if an organization has workers, it has to account for paycheck and edge advantages. In this description of paycheck bookkeeping we'll present paycheck, e

Electric fields, what is the electric field at point x if q=7*10^-6 C d=6m

what is the electric field at point x if q=7*10^-6 C d=6m

Arithmetic mean, How do I find the mean when the question is in a table for...

How do I find the mean when the question is in a table format?2 rows with 8 columns, Do I name them X and Y then do them?

Functions , i need help it says for the tables of values determine appropri...

i need help it says for the tables of values determine appropriate veiwing window, create a scatter plot, write a function rule, and graph your funtion rule over your scatter plot

Calculate a forecast using exponential smoothing, The Midwestern Manufactur...

The Midwestern Manufacturing Company (MMC) is a large manufacturer of electrical generators.  The firm has experienced demand for their generators as shown below: Year  Demand

Data for ogive graph, Data for ogive graph in sectors of indian economy

Data for ogive graph in sectors of indian economy

Cash basis, Cash basis A basis for accounting whereby revenues are recorde...

Cash basis A basis for accounting whereby revenues are recorded only when received & expenses are recorded only that salaried with no regard to the era in which they be earned, in

calculate the merger premium, Consider the following pre-merger informatio...

Consider the following pre-merger information concerning two firms, Mokhaba Manufacturers and Mabhida Merchants:  Data

Capital budget, Capital budget The piece of a budget: a separate budget: d...

Capital budget The piece of a budget: a separate budget: dedicated to proposed additions to capital assets & the means of financing to those additions,

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd