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If an ANOVA test is conducted and the null hypothesis is rejected, what does this indicate? User: If an ANOVA test is conducted and the null hypothesis is rejected, what does this indicate?
A. Too many degrees of freedom
B. A difference between at least one pair of population means
C. No difference between the population means
D. The variances are the same

Weegy: c. no difference between the population means (More)

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Asked 2/9/2012 12:16:26 AM

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The time series component that reflects variability over short, repetitive time periods that last less than one year is called
A. long-term trend
B. cyclical variation
C. seasonal variation
D. irregular variation

Weegy: C. Seasonal Variation User: The following linear trend equation was developed for the annual sales of the Tractor Manufacturing Company. Y' = 355 + 50t in thousands of dollars. How much are sales increasing by?
A. $50,000 per year
B. $5,00 per month
C. $500,000 per year
D. $6,000 per year Weegy: A. $50,000 per year (More)

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Asked 2/9/2012 1:00:58 AM

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If we fit a linear trend to data that are growing exponentially,
A. the fitted trend will be too high at the end
B. the forecasts, if extrapolated, will be too low
C. the forecasts, if extrapolated, will be too high
D. the fitted trend will be too low in the middle

Weegy: If we fit a linear trend to data that are growing exponentially, B. the forecasts, if extrapolated, will be too low. (More)

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Asked 2/9/2012 1:11:11 AM

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In nearly all decision-making models, which of the following is an essential step in the decision-making process?

Weegy: Five Steps of Decision Making: 1. State The Problem , 2. Identify Alternatives, 3. Evaluate The Alternatives, 4. Make A Decision, 5. Implement Your Decision User: A research company has been hired by a realty company to do an analysis of heating cost of homes in the region. The realty company wanted to be able to predict the heating cost of a typical single-family home. The realty company was constantly being asked questions regarding ... (More)

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Asked 2/9/2012 1:08:29 AM

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What is the variable used to predict another variable called?
A. Independent variable
B. Dependent variable
C. Moderating variable
D. Intervening variable

Weegy: d
User: Mr. Thomas owns three different restaurants in Cincinnati, Ohio. He is concerned about the profitability of the restaurants. There are monthly differences between the restaurants and he wants to determine if the differences in profit are significant. Mr. Thomas wants to do a statistical test to see if he should be concerned. The best test to address this problem would be
A. a paired t- test
B. two different t tests
C. an ... (More)

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Asked 2/9/2012 1:15:42 AM

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