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Dyeing yarn. The unique colors of the cashmere sweaters your firm makes result from heating undyed yarn in a kettle with a dye liquor. The pH (acidity) of the liquor is critical for regulating dye uptake and hence the final color. There are 5 kettles, all of which receive dye liquor from a common source. Twice each day, the pH of the liquor in each kettle is measured, giving samples of size 5. The process has been operating in control with µ= 4.22 and σ= 0.127.
(a) Give the center line and control limits for the s chart.(b) Give the center line and control limits for the chart.
question what is an example in the world around you for which you would use a chi-square analysis? be specific.
a student believes that no more than 20 of the students who finish a statistics course get an a. a random sample of 100
For following two regressions describe and interpret major parts from regression output. write down the difference between two regressions?
The maximum distance at which a highway sign can be read is determined for a sample of young people and a sample of older people. The mean distance is computed for each age group. What is the most appropriate null hypothesis about the means of the..
Yes, trying to create a bar chart but when entering the percentages into SPSS along with the gender and mental health issue, the result would not display accurately. I need to show the relationship between nonoffenders and offenders, male and fem..
The bank wishes to inform prospective customers that '99 times out 100 we can process your application in q working days'. Assuming that the normal distribution is still an adequate model, calculate q.
question 1 the temperature in jihlava follows a normal distribution with mean 50 degrees and standard deviation 10
The 99% confidence interval using a t-distribution is ( ), ( ). Round to one decimal place as needed
Suggest one psychological research question that could be answered by each of the following types of statistical tests:
the clam is that the white blood cell counts of adult females are normally distributed with a standard deviation equal
Construct the 95% confidence interval for the mean starting salary of the IT employees with an under graduate degree using t-distribution.
jacks game preserve is stocked with 30 moose 25 elk and 45 deer. five years later a sample of animals yields 90 moose
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