Grade 11 and 12 Mathematics (Moderator: geoffrey)

The first objective in statistical process control is to eliminate assignable causes of variation in ...

Started by schs14

Once a process is in control and is producing a satisfactory product, the process variables are ...

Started by dejastew

Statistical process control (SPC) methodology was developed to monitor, control, and improve ...

Started by Wadzanai

If a process is in control, we expect all the data values to fall within three standard deviations ...

Started by nenivikky

Random variation in a process can be eliminated. Indicate whether the statement is true or ...

Started by Pineapplelove6

Random cause variation refers to variation n, the output of a process that is unexpected and has an ...

Started by MGLQZ

Assignable cause variation refers to variation in the output of a process that is naturally ...

Started by cagreen833

Process control charts, such as the x and p-charts, are used to provide signals to indicate when the ...

Started by bobbysung

One of the most common sources of random cause variation is the people who are working in the ...

Started by yoooooman

In control process is typically defined as a process in which all output is operating within + 3 ...

Started by Garrulous

Twenty five samples of size 1000 each were drawn from a manufacturing process and the number of ...

Started by formula1

The mean of the sample means and the standard deviation of 50 samples of size 5 taken from a ...

Started by anjilletteb

Fifty samples of size 500 were drawn from a manufacturing process and the number of defectives in ...

Started by itsmyluck

Sixty samples of size 600 each were drawn from a manufacturing process and the number of defectives ...

Started by penguins

Assignable cause variation is also called: a. random variation b. special cause variation c. ...

Started by Shelles

Among the most common sources of random variation is: a. people b. materials c. equipment d. all ...

Started by debasdf

A statistic is said to be unbiased if its sampling distribution has the smallest standard error. ...

Started by londonang

A point estimate is a single number that is used as an estimate of a population parameter or ...

Started by schs14

An estimator is a random variable calculated from a random sample that provides either a point ...

Started by sc00by25

The error of estimation is the distance between an estimate and the estimated parameter. Indicate ...

Started by futuristic

A point estimate is an estimate of a population parameter, expressed as a single numerical value. ...

Started by sc00by25

The margin of error equals the sum of an estimator's squared bias plus its variance. Indicate ...

Started by Bob-Dole

The error of estimation is the difference between a statistic computed from a sample and the ...

Started by olgavictoria

If a store manager is interested in estimating the mean amount spent per customer per visit at her ...

Started by kellyjaisingh

If the campaign manager of John Kerry is interested in estimating the proportion of registered ...

Started by V@ndy87