For the SPSS Survival Manual website‚ go to www.allenandunwin.com/spss This is what readers from around the world say about the SPSS Survival Manual: ‘Best book ever written. My ability to work the maze of statistics and my sanity has been SAVED by this book.’ Natasha Davison‚ Doctorate of Health Psychology‚ Deakin University‚ Australia ‘I just wanted to say how much I value Julie Pallant’s SPSS Survival Manual. It’s quite the best text on SPSS I’ve encountered and I recommend it to anyone
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the array is the accepted standard to store more than one variable‚ it is virtually practised universally. But the concept‚ when grasped‚ tends to be “ritual knowledge” (Perkins 1999). It doesn’t have to be understood‚ one just has to do it. Thus it is not a threshold concept. But the understanding as to why the method has been widely adopted since its invention (the use of arrays reduce the sum of many variable ito one compact variable which is easy to understand and practise) essentially changes
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relationship exist between the dependent variable and the independent variables. Based on the multiple regression model of the Virginia hospitals data‚ all of the independent variables are not significant predictors of the dependent variable. This is evidenced by the varying p-values shown in the regression analysis. The null hypothesis for each independent variable states that there is no linear relationship and the corresponding coefficient for the variable is 0. On the other hand‚ the alternate
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The experiment is manipulated so that changes to one variable cause another to interchange in order to fit your hypothesis. Variables are facts or conditions that are changed. There are three main variables in the scientific method; dependent variable‚ independent variable and controlled variable. Dependent variable is variables affected by the independent variable. Independent variable is the variables being tested. Controlled variable is variables that remain constant in the experiment. In this experiment
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that the factor or variable being investigated should be the only possible causal explanation. Definitions and Concepts Independent variables are variables or alternatives that are manipulated and whose effects are measured and compared‚ e.g.‚ price levels. Test units are individuals‚ organizations‚ or other entities whose response to the independent variables or treatments is being examined‚ e.g.‚ consumers or stores. Dependent variables are the variables which measure the
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decimal place‚ some ask you to omit the dollar sign..etc 1. The following monthly budgeted data are available for the International Company: Product C Product J Product R Sales $ 508‚000 $ 308‚000 $ 904‚000 Variable expenses 296‚000 204‚000 714‚000 Contribution margin $ 212‚000 $ 104‚000 $ 190‚000 Budgeted net operating income for the month is $215‚000. Required:
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CHAPTER 1 DEFINITION‚ PURPOSE & IMPORTANCE OF RESEARCH 1 WHY SHOULD KNOW ABOUT RESEARCH: n Being knowledgeable about research and research methods helps professional managers to: n Identify and effectively solve minor problems in the work setting. n Know how to discriminate good from bad research. n Appreciate the multiple influences and effects of factors impinging on a situation. 2 Cont d WHY SHOULD KNOW ABOUT RESEARCH: Take calculated risks in decision making. n Prevent possible
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data collected on the following five variables: 1. LOCATION (Rural‚ Urban‚ Suburban) 2. INCOME (in $1‚000’s – be careful with this) 3. SIZE (Household Size‚ meaning number of people living in the household) 4. YEARS (the number of years that the customer has lived in the current location) 5. CREDIT BALANCE (the customers current credit card balance on the store’s credit card‚ in $). This report presents the findings of three individual variables extensively which include location
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solution is along with the artificial variable even when the aolution is optimized then its is a infeasible solution 3) What is an unbounded solution? How is this condition recognized in simplex method? A linear program is unbounded if the optimal solution is unbounded‚ i.e. it is either ∞ or −∞. In simplex when the entry values are negative its solution is unbounded. 4. Define slack and surplus variables in a LPP? a slack variable is a variable that is added to an inequality constraint
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Ratio‚ Break Even Point‚ variable cost‚ fixed cost‚ etc it helps to take major production decisions relating to volume of production and sales‚ and profitability of such levels of sales or production. Step 1: Get acquainted with contribution margin calculation Contribution margin is the amount of money generated by selling a product over its variable cost of production. Therefore‚ mathematically it can be said that the revenue earned by a product minus its variable cost gives the contribution
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