data set TVHOURS.MTW in the Student14 folder. a) Prepare a pie chart for the variable “Educ.” Comment on the results. b) Prepare a segmented bar chart to examine “Educ” by “Gender.” Comment on the results. c) Prepare a histogram for the variable “HrsTV.” Comment on the shape of the distribution. d) Show descriptive statistics on the variable “HrsNews” for all age groups. Use the optional “By Variables” box; enter “AgeGrp” in the box. Comment on the results. Make sure to compare
Premium Statistics Variable Regression analysis
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
Premium Costs Variable cost Total cost
shows a strong positive correlation Which of the following must be true? I. The variables x and y also have a correlation close to 1. II. A scatterplot of (x‚ y) shows a strong nonlinear pattern. III. The residual plot of the variables x and y shows a random pattern. (a) I only (b) II only (c) III only (d) I and II (e) I‚ II‚ and III 2. What is the purpose of residual plots? (a) To determine causation. (b) To assess the type of relationship that exists between x and y
Premium Causality Plot Correlation does not imply causation
CHAPTER 7 THE TWO-VARIABLE REGRESSION MODEL: HYPOTHESIS TESTING QUESTIONS 7.1. (a) In the regression context‚ the method of least squares estimates the regression parameters in such a way that the sum of the squared difference between the actual Y values (i.e.‚ the values of the dependent variable) and the estimated Y values is as small as possible. (b) The estimators of the regression parameters obtained by the method of least squares. (c) An estimator
Premium Statistical hypothesis testing Statistics Null hypothesis
Variables Independent variable: The temperature of HCl is going to be changed. The temperature 10℃‚30℃‚50℃‚70℃ and 90℃ of hydrochloric acid will be used to conduct the experiment. The hot plate is going to be used to reach 30℃‚50℃‚70℃ and 90℃‚ that are higher than the room temperature. Ice cubes can be used with water bath to make 10℃ hydrochloric acid. Dependent variable: The time it takes for carbon dioxide gas produces up to 20mL of gas syringe is going to be measured. It will be measured
Premium Chemistry Chemical reaction Temperature
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
Premium Mutual fund Types of business entity Investment
C.) Variable Factors in Fitness Center There are five areas of interest that would be play an essential role in the variable factors for a fitness center. The first interest would include utilities. Lighting and water plays a crucial role in maintaining the livelihood for a fitness center. The fitness center uses water to provide hot or cold showers to their members after workout‚ water fountains are available on almost every hall‚ and not to mention swimming pools and hot tubs that uses large
Premium Health club Swimming pool Physical exercise
3-point scale. Let X denote the rating given by expert A and Y denote the rating given by B. The following table gives the joint distribution for X and Y . 4.12 If a dealer’s profit‚ in units of $5000‚ on a new automobile can be looked upon as a random variable X having the density function fx= 21-x‚0<x<10‚elsewhere find the average profit per automobile. 4.14 Find the proportion X of individuals who can be expected to respond to a certain mail-order solicitation if X has the density function. fx=
Premium Random variable Probability theory Variance
CHAPTER 12 PRICING DECISIONS AND COST MANAGEMENT 12-1 The three major influences on pricing decisions are 1. Customers 2. Competitors 3. Costs 12-2 Not necessarily. For a one-time-only special order‚ the relevant costs are only those costs that will change as a result of accepting the order. In this case‚ full product costs will rarely be relevant. It is more likely that full product costs will be relevant costs for long-run pricing decisions. 12-3 Two examples of pricing decisions with
Premium Variable cost Costs Fixed cost
costs at the original budgeted activity level. True False 3. The overhead spending variance and the overhead efficiency variance are useful only if variable overhead really should be proportional to the activity measure that is being used in the flexible budget. True False 4. The variable overhead efficiency variance reflects how efficiently variable overhead resources were used. True False 5. A reason for keeping a constant denominator activity level is to maintain stability in the amount of
Premium Variable cost Cost accounting Cost