from the mean. True or false: The standard deviation can never be 0. Explain your response. (1 point) False-if the SD can be zero then the variance can also be zero. If variance of zero is squared then‚ it will still be zero. The Pearson r correlation coefficient is used with _____ level data. Pearson r coefficients can range from ______ to ______. (2 points) Interval/ratio level data. 0.00-+/-1.00 A researcher is investigating the effects of anxiety on creativity. Individuals with varying
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increased. | C) | Finished Goods Inventory has decreased. | D) | Work in Process Inventory has decreased. | 5. | Sales are $500‚000 and variable costs are $350‚000. What is the contribution margin ratio? | A) | 43%. | B) | 30%. | C) | 70%. | D) | Cannot be determined because amounts are not expressed per unit. | 6. | Barcelona Bagpipes produces two models: Model 24 has sales of 500 units with a contribution margin of $40 each; Model 26 has sales of 350 units with a contribution margin
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“Correlation doesn’t equal causation” Albert Einstein once said “The world is in greater peril from those who tolerate or encourage evil than from those who actually commit it.” At this point in my life‚ I couldn’t have found that statement to be any truer. I’m an activist‚ an avid one at that. I try to fight evil educating others‚ on what not many people have ever even questioned before; Vaccines. When I tell most people this‚ their first reaction is “oh‚ you’re one of those people” or “I get it
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using an average variable cost function of the form. AVC= a + bQ+ cQ^2 (the 2 is suppose to be exponent) Where AVC=dollars per vacuum cleaner and Q=number of vacuum cleaners produced each month. Total fixed cost each month is $180‚000. The following results were obtained: Dependent Variable:AVC R-Square F-Ratio P-Value on F Observations:19 0.7360 39.428 0.0001 Variable
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Variable costing vs Absorption costing Variable and Absorption costing are two different methods and ways that many organizations use to determine and calculate product cost. The income statements formats of both methods include period and product costs. However‚ each one has a different cost classification definition. Both have the same direct material and direct labor allocation‚ the differences is how they report the income‚ product‚ and pricing One of the main differences between
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Intro Variable stars are important in astronomy because they provide information on the properties of the stars. Variable stars vary in brightness over time and have periods ranging from a couple hours to hundreds of days. Moreover‚ pulsating stars are variable stars and have two types of pulsating stars‚ such as RR Lyrae and Cepheid. Additionally‚ the simulators in this lab gives individuals a visual model of how variable stars are determined and measured. Therefore‚ the simulators will give individuals
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August 16‚ 2010 NDS 2010-19 New Developments Summary Variable interest entity analysis ASC 810‚ Consolidation‚ as amended by ASU 2009-17 Introduction A reporting entity must assess whether its involvement with another legal entity requires the reporting entity to consolidate that legal entity and / or provide disclosures in accordance with guidance for variable interest entities. This bulletin outlines a reporting entity’s step-by-step approach to the assessment of its involvement with
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1 Today Summarizing categorical variables Exploring the relationship between categorical variables - contingency table‚ proportions‚ conditional proportions‚ marginal proportions Ch 2‚ Sec 1-2‚ pages 15-29 Summarizing Categorical Variables: Blood Pressure (Exercise 2.37*) 2 A company held a blood pressure screening clinic for its employees. Data below is partial dataset for company employees. Create an appropriate display for blood pressure data among the employees. Blood pressure
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Independent Variables Chapter 8 is devoted to dummy (independent) variables. This How To answers common questions on working with and interpreting dummy variables. Questions: 1) How to include dummy variables in a regression? 2) How to interpret a coefficient on a dummy variable? 3) How to test hypotheses with dummy variables and interaction terms? 4) How to create a double-log functional form with dummy variables? 5) How to interpret a coefficient on a dummy variable with a log
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company ’s profitability. B. changes in variable costs on a company ’s profitability. C. changes in fixed costs on a company ’s profitability. D. changes in product sales mix on a company ’s profitability. E. All of these. 2. The break-even point is that level of activity where: A. total revenue equals total cost. B. variable cost equals fixed cost. C. total contribution margin equals the sum of variable cost plus fixed cost. D. sales revenue equals total variable cost. E. profit is greater than zero
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