Compute the centerline for the x-bar chart

Assignment Help Operation Management

Reference no: EM1381288

A machine at the Pacific Fruit Company fills boxes with raisins. The labeled weight of the boxes is 9 oz. The quality control department sampled five boxes at two hour time intervals to construct a control chart. Base your analysis on the eight samples below:
Sample X-bar R
1 8.71 .66
2 8.70 .62
3 8.66 .59
4 8.78 .58
5 8.61 .67
6 8.72 .55
7 8.69 .70
8 8.73 .61

a. Compute the centerline for the x-bar chart. Compute the centerline for the R-chart.

b. Compute the upper and lower control limits for the X-bar chart.

c. Compute the upper and lower AB zone boundary for the x-bar chart.

d. Compute the upper and lower control limits for the R chart

Reference no: EM1381288

Questions Cloud

Analyzing the transmission of a genetic disease : You are tasked with analyzing the transmission of a genetic disease through several generations. Males are indicated by square, females by circles.

Construct a stem and leaf display : Explain the applications of statistics in your own field (Business Administration/Accounting) - Construct a stem and leaf display.

Item x is a standard item stocked in a company''s inventory : Item X is a standard item stocked in a company's inventory of component parts. Each year the firm, on a random basis, uses about 2000 units of X which costs $25 each.

A process is so vital to an organization that the main unit : A process is so vital to an organization that the main unit has 2 backups. In case the main unit fails, either backup can be pressed into service.

Compute the centerline for the x-bar chart : Compute the centerline for the x-bar chart. Compute the centerline for the R-chart. Compute the upper and lower control limits for the X-bar chart.

Create a punnett square for the mating and state : Suppose the gene for dimples, d, is recessive. Then suppose that two individuals with the genotypes Dd and dd mate.

What is the process capability index for vaxidene : What is the process capability index for Vaxidene? Is the acceptable? Explain. What standard deviation is necessary for a process capability index value of 2?

What should the price be for breakeven to occur : What should the price be for breakeven to occur at 5,000 units? GX desires a selling price of $100. They also want breakeven units to be 5,000.

What is the probability that the bx tire : What is the probability that the "BX" tire will last beyond 46,000 miles? Unrelated to part a. Goodstone Tire Company manufactures the "BX" Tire that has an expected life that is exponentially distributed with a mean of 35,000 miles

User Account

All Pages