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In one-way analysis of variance tests, do larger test statistics result in larger P-values, smaller P-values, or P-values that are unrelated to the value of the test statistic?
Explain one-way analysis of variance used for? Discuss the requirements for one-way analysis of variance? What is two-way analysis of variance employed for? Explain the requirements for two-way analys
The worm of worm gear, which connects to 30 tooth worm wheel. Find out torque and speed of driver pulley, the output pulley, and worm wheel, neglecting all losses.
Assume you've described a null hypothesis and set significance value at n. Discuss what happens to the null hypothesis if p-value is less than n.
Conduct a hypothesis test to find out if there is evidence at 0.05 level of significance to support claim that coating reduces drag coefficient.
Population mean percentage increase in CEO salary? Use 5% level of significance. Find critical value which you would use to perform this test of hypothesis?
At .01 level of significance, is there sufficient evidence to conclude that mean bone marrow microvessel density is higher before stem cell transplant than after the stem cell transplant?
The results of a one-sample hypothesis test are reported as follows: t(18) = 2.25, p < .05. Based on this report, what was the statistical decision and how big was the sample?
The proposed site is near the rail terminal, but state government might extend the highway to area. In addition, the federal government is considering rebuilding local port facilities. Below is the p
A company manufactures two products, Product A and Product B. The wholesale price and manufacturing cost of each product are shown below.
Determine the average annual food price index for all years from 2008 to 2013. Use 3-year weighted moving average with weights of 0.5, 0.3, and 0.2. Use largest weight with most recent data.
Consider following information and then compute required rate of return for Scientific Investment Fund, which holds 4 stocks.
Last week's sales of iMac computers at an Apple Store in Oklahoma City, OK,are shown in the following table:
You have following data on (1) average annual returns of market for the past 5 years and (2) similar information on Stocks A and B.
A store wishes to predict net profit as a function of sales for the next year.The following table gives the years 1998 to 2005.
Assume a manufacturing company makes a certain item. The time to produce each item is normally distributed around the mean of 27 minutes with standard deviation of 2.5 minutes. Thus, the population
The number of cell phone accounts in certain country has increased exponentially for last decade. Find approximate number of cell phone accounts in 2005?
How much will be left after 13,000 years? Find how long it will take for 1 kilogram to decay to half it's original weight.
How many solution sets do systems of linear inequalities have? Do solutions to systems of linear inequalities need to satisfy both inequalities?
A rectangle has an area of 72 square meters and a side length of 9 meters. Compute the perimeter of the rectangle?
The time to produce each item is normally distributed around the mean of 27 minutes with standard deviation of 2.5 minutes. Thus, the population of production times is normal in shape. Determine the
Explain a greatest common factor? How do you know when you have found the greatest one?
Discuss how to factor following trinomial forms: x2 + bx + c and ax2 + bx + c. Is there more than one way to factor this? Show your answer using both words and mathematical notation.
Compute the derivative of the function f(x) = (3 x + 1)^4(9 - 3 x^2)^{3/2}.
Discuss the techniques used to solve equation containing radical expressions. Why is it necessary to check the solutions for such equation? Give an example - solve it and check its solutions.