# Question

Product filling weights are normally distributed with a mean of 350 grams and a standard deviation of 15 grams.

a. Develop the control limits for the x-bar chart for samples of size 10, 20, and 30.

b. What happens to the control limits as the sample size is increased?

c. What happens when a Type I error is made?

d. What happens when a Type II error is made?

e. What is the probability of a Type I error for samples of size 10, 20, and 30?

f. What is the advantage of increasing the sample size for control chart purposes? What error probability is reduced as the sample size is increased?

a. Develop the control limits for the x-bar chart for samples of size 10, 20, and 30.

b. What happens to the control limits as the sample size is increased?

c. What happens when a Type I error is made?

d. What happens when a Type II error is made?

e. What is the probability of a Type I error for samples of size 10, 20, and 30?

f. What is the advantage of increasing the sample size for control chart purposes? What error probability is reduced as the sample size is increased?

## Answer to relevant Questions

The Wall Street Journal (WSJ) subscriber survey (October 13, 2003) asked 46 questions about subscriber characteristics and interests. State whether each of the following questions provided categorical or quantitative data .... Consider the data set in Table 1.7 a. Compute the average endowment for the sample. b. Compute the average percentage of applicants admitted. c. What percentage of the schools have NCAA Division III varsity teams? d. What ...Twenty-five samples of size 5 resulted in = 5.42 and = 2.0. Compute control limits for the and R charts, and estimate the standard deviation of the process. Managers of 1200 different retail outlets make twice-a-month restocking orders from a central warehouse. Past experience shows that 4% of the orders result in one or more errors such as wrong item shipped, wrong quantity ...A quality control process monitors the weight per carton of laundry detergent. Control limits are set at UCL = 20.12 ounces and LCL = 19.90 ounces. Samples of size 5 are used for the sampling and inspection process. What are ...Post your question

0