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A random sample of 40 companies with assets over $10 million was selected and asked for their annual computer technology expense and industry. The ANOVA comparing the average computer technology expense among three industries rejected the null hypothesis. The Mean Square Error (MSE) was 195. The following table summarized the results:
When comparing the mean annual computer technology expense for companies in the Education and Tax services industries, the following 95% confidence interval can be constructed:
Education Tax Service Food ServiceNumber Sample 10 14 16
Mean expense (1,000,000's) 2 15.5 20
Which is the correct answer listed below:13.5 ± 2.026 * 5.7813.5 ± 2.021 * 5.7813.5 ± 2.026 * 13.9613.5 ± 2.021 * 13.96
Two different alternatives shown in the table below are being considered by Kal Tech Engineering systems. Assume that alternatives X and Y are replaced at the end of their lives.Data Alternative X Alternative Y Initial Cost $6,000 $1,500Uniform Ann..
What is the probability that the annual return in a given year will exceed 15%? Suppose that the fund managers change the holdings of the fund such that the mean becomes 15% and the standard deviation becomes 5%. What are the new values for the pre..
Refer to the above data. If the product price is $25 at its optimal output, will the firm realize an economic profit, break even, or incur an economic loss How much will the profit or loss be How much will the profit or loss be
Assume the players are monopolists, but the teams are competitive in the labor market. Calculate the marginal revenue product of labor (MRPL) and find the equilibrium wage and quantity of labor.Find the equilibrium wage and quantity of labor.
Cars arrive at Carla's Muffler shop for repair work at an average of 3 per hour, following an exponential distribution. (a) What is the expected time between arrivals? (b) What is the variance of the time between arrivals?
Assuming no population growth or technological progress, find the steady-state capital stock per worker, output per worker, and consumption per worker as a function of the saving rate and the depreciation rate.What is the per-worker production fun..
Suppose that there are two countries, X and Y, that differ in both their rates of investment and their population growth rates. In country X, investment is 20% of GDP, and the population grows at 0% per year. In country Y, investment is 5% of GDP,..
Suppose two firms 1 and 2 compete in quantities and face a demand curve p = 100 - q. Suppose firm 1 has a constant marginal cost of 10 while firm 2 has a constant marginal cost of 40. Suppose they produce quantities simultaneously. a. Find q..
A manager can use either way S or B to prepare packages of chiken nuggetes, The firms production is givin as Q= B+S. A- Graph the isoquant corresponding to 4 unites of output. B- What is the marginal product of capital and labor.
In the derivation of the Solow growth model, we assumed that government spending and taxes less transfers were both zero. Relax that assumption and assume that both are constant graction of GDP, say T = G = gammaY. What is the steady state level o..
The unit cost of a console to Nintendo is $30, and of a game to Sega is $10. Suppose, each month, Nintendo considers prices $250 and $350 for consoles, and Sega considers $40 and $50 for games.
Initial estimates of the parameters for an investment are given below You wish to do multi parameter sensitivity analysis based on the sensitivities shown. AW is the preferred measure of worth. Parameter Initial Investment ..
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