C ll only. a. A. Which of the following statements is true? I) The higher the coefficient of correlation between securities, the greater the reduction in the portfolio variance. If all products have the same budgeted margin there is no measurable sales mix variance C. III) The degree to which the portfolio variance is reduced depends only on the variance of each security. False. Which of the following statements is/are true about the variance of the possible future returns on a financial asset where you have multiple possible states of the economy along with associated probabilities of the states occurring? Actual price by the difference between the actual quantity purchased and standard quantity used. In standard costs system, the material price variance is obtained by multiplying the a. Chapter 11. II) A zero variance portfolio can be created if the correlation between the two securities is 0. No ladle is a window Which one of the following statements is true concerning standard costs? A model with more parameters is more prone to overfitting and typically has higher variance. D. If all of the data values in a data set are identical, then the standard deviation is 0. I. No explanation is available for this question! If X is your only random variable being modeled, Var[X] is just a number, not a random quantity. B. D. Which of the following statement(s) can be true post adding a variable in a linear regression model? Actual quantity purchased by the difference between the actual price and standard price. Which of the following statements is/are TRUE? 2. 2) Given standard cost specifications time 5 hours per unit and cost Rs 5 per labour. b. c. b. B. II. Models which overfit are more likely to have low bias (iii). c. It doesn't belong to any of the above category. III. In terms of bias and variance. R-Squared decreases and Adjusted R-squared decreases 4. Standard quantity has not to be calculated. (A)The market share variance is more controllable by the marketing department than the industry volume variance. D. All of the above statements are true. 1) In regression, an independent variable is sometimes called a response variable. a. (IMAGE DESCRIPTION: The body cab's cumulative cost dollar variance is 22.3 and its cumulative cost percent variance is 10%.) The COUNT (*) function is only used to count the number of records containing NULL values. If actual sales revenues from two products are in the same ratio as the budgeted sales revenues there is no measurable sales mix variance B. Variance Analysis - Finance (MCQ) Questions and answers. Statement: The variance of a portfolio of stocks A and B must be at least as high as the variance of stock B. b) (2 points) CAPM holds. 1) The lower the coefficient of correlation between securities, the greater the reduction in the portfolio variance. The larger the variance, the more the actual returns differ from the average return. This method has the following … d. All of the above are true. ANS: E PTS: 1 8. The labor rate variance is: AH (AR-SR): 5,500 x (14.75-14.00)= $4,125 U. Taking the logarithm of one plus the value of the dependent variable may Variance Analysis is also carried out against the data developed in the flexible budget. Variable Fl is an example of ordinal variable. Which of the following statements is NOT true about a sales mix variance? Stock B has a smaller standard deviation than stock A. False. 1) 2) One purpose of regression is to understand the relationship between variables. True. All ladles are handles. Consider the following statements to be true even if they seem to be at variance with commonly knownacts. Jun 13,2021 - Direction : In the following questions, only one Conclusion is given and five statements are given. A) Bias will be high, variance will be high B) Bias will be low, variance will be high C) Bias will be high, variance will be low D) Bias will be low, variance will be low Solution: (C) Which of the above statements is (are) true? A random sample of size 20 taken from a normally distributed population resulted in a sample variance of 32. C. Neither A and B is true. d. None of the above. >>Treating fixed costs as if they are variable can lead to bad decisions. An unfavorable variance is conclusive evidence of poor performance. - Variances always compare actual results to budgeted or standard results. The CV is favorable, indicating work has cost less than planned to complete. All of the above statements are true 8. IV. Which of the following statements regarding variances is (are) false? (A) In general and holding all other things constant, an unfavorable variance decreases operating profits. (B) A favorable variance is not always good, and an unfavorable variance is not always bad. a. d. A l only. a. >>Changes in activity have no impact on actual fixed costs within the relevant range. All of the above statements are true. Statement: If the expected market return increases, but stock A beta and risk-free rate stay constant, then the expected return on stock … b. In simple linear regression model which of the following statements are not required assumptions about the random error term? 1. (Here ‘high’ and ‘low’ are relative to the ideal model.) School University of Guelph; Course Title STAT 2040; Uploaded By shewwing. R-Squared decreases and Adjusted R-squared increases c. Price and quantity variances move in the same direction. Standard costs are estimates of costs attainable only under the most ideal conditions, but rarely practicable. Danica. State whether each of the following statements is true or false. favorable. a. Variances are the differences between total actual costs and total standard costs. (A) The sales activity variance is the actual selling price per unit times the difference between the budgeted units and actual units. (c) The variance of the difference between two independent random variables cannot be smaller than the larger of their two variances. So Var[Var[X]] is 0, as is repeating it any more times. Regarding bias and variance, which of the following statements are true? If the variance of a data set is 25, the standard deviation is 5. This preview shows page 1 out of 1 page. If actual sales volume is less than budgeted, the result is an unfavorable activity variance. Assume (1) the quantity of materials purchased equals the quantity used in production, (2) the materials spending variance is unfavorable, and (3) the materials quantity variance is favorable. Which of the following is true when you fit degree 2 polynomial? C) The degree to which the portfolio variance is reduced depends on the degree of correlation between securities. 2. Pages 27 This preview shows page 7 - 9 out of 27 pages. TRUE/FALSE. Price variance c. Quantity variance d. Mix variance 10. 1) Based on this cost data for the Auxiliary Auto element, which of the following statements about cost variance (CV) are true? C. … Some ladles are handles. B. A) The higher the coefficient of correlation between securities, the greater the reduction in the portfolio variance. View full document. 11. For a given number of population members and a given sample variance, the larger the number of sample members, the wider the … If the variance of a data set is 25, the standard deviation is 625. (d) If a continuous random variable has a symmetric probability density function, then the mean and the median are identical. Models which overfit are more likely to have high variance … A. Standard costs are difficult to use with a process-costing system. Which of the following are true statements?I.If the sample has variance zero, the variance of the population is also zero.II.If the population has variance zero, the variance of the sample is also zero.III.If the sample has variance zero, the sample mean and the sample median are equal. R-Squared increases and Adjusted R-squared decreases 3. An unfavorable activity variance reflects bad erformance Using marirect material per unit of them wroduced than the standard amounted in a wote maten arity in The laborate variance is calculated by the difference between the tual hourly rated the stand hourly rate for bor. k-NN is a memory-based approach is that the classifier immediately adapts as we collect new training data. B) There is a linear relationship between the securities' coefficient of correlation and the portfolio variance. Danica. Which of the following statements are true? R-Squared and Adjusted R-squared both increase 2. b. If actual costs are greater than standard costs, there is a(n) a. normal variance. b. unfavorable variance. c. favorable variance. d. error in the accounting system. b. unfavorable variance. Which of the following will be true both statements? A. I and II B. I and III C. II and III D. I, II, and III E. Determine which of the following statements is/are true with regard to transforming the dependent variable to make the variance of the residuals more constant. - Companies generally try to hold specific managers respon… C. The standard deviation is the square root of the variance. Given these assumptions, which of the following statements is true? The variance is obtained by taking the sum of the squared deviations from the mean of the data set and then dividing this value by the degrees of freedom, which in this context is equal to n - 1, where n represents the size of the sample associated with the study. No. The purpose of variance analysis is to compare what happened with what we expected to happen. Improve this answer. Favorable variances are not necessarily good variances. b. Managers will investigate all variances from standard. c. The production supervisor is generally responsible for material price variances. d. Standard costs cannot be used for planning purposes since costs normally change in the future. The computational complexity for classifying new samples grows linearly with the number of samples in … B. Il only. d. None of the above No, the answer is incorrect. Write 'T' if the statement is true and 'F' if the statement is false. Score: O Accepted Answers: The variance is a simple average of the squared deviations of the actual returns from the expected returns II. Which of the following statements is true in the following case? A. A favorable variance results when actual costs exceed budgeted costs. 31. a) (2 points) There are 2 stocks: A and B. Which of the following statements are true a the. Only B is true. If the variance of a data set is 25, the standard deviation is 50. excessive inventory on hand, especially in the work in process inventory account, may lead to: Labor Rate Variance. Check all that apply. State whether each of the following statements is true or false. Which of the following statements is NOT true? None of the above is true. When actual costs exceed standard costs, the variance is favorable. Which of the following statements are correct concerning the variance of the annual returns on an investment? Variances are also calculated comparing the actual revenues and costs viz a vis the budgeted revenues and costs, calculating in both cases on the basis of actual sales volume. c. An unfavorable variance results when actual costs are decreasing but standards are not changed. D. Il and II. Conclusions: 1. The variance of is the same for all values of the independent variable x. c. The error term is normally distributed. Please briefly explain your answer. I. Variance investigation is often performed by establishing guidelines similar to the following: Investigate variances that are greater than SX or greater than Y% of standard cost. answered Feb 1 '16 at 17:21. The flashcards below were created by user Lencha on FreezingBlue Flashcards . The variance is a measure of the dispersion or spread of a distribution about its mean. 14. Transcribed image text: Which of the following statements are true about variance analysis select all that applyi? Models which overfit are more likely to have high bias (ii). IL Variance investigation is typically based on a cost-benefit analysis. Which of the following statements is true? (i). $4,125 Unfavorable. 52.185. b. Standard quantity has to be calculated. If the variance of a data set is 25, the standard deviation is 12.5. If actual profit is less than budgeted, the result is an unfavorable total profit variance. Which one of the following statements is true? Your Answer Score Explanation. >>A fixed overhead volume variance results from treating fixed manufacturing costs as … If actual sales price is less than budgeted, the result is an unfavorable revenue variance. Chapter 14 b. Which of the following statement(s) is(are) true regarding the variance of a portfolio of two risky securities? The lower limit of a 90% confidence interval for the population variance would be: a. (B) If the sales activity variance for sales revenue is unfavorable, then the contribution margin sales activity variance will be unfavorable. Only A is true. Statement: • No window is a handle. The VAR function is used to determine the variance contained within a set of data. If the materials price variance is unfavorable, then the materials quantity variance must also be unfavorable. The variance can be a negative number. 3. A favorable variance can be ignored by management. Use the following info to calculate the labor rate variance for Adkinson Company. C. Variance describes how spread out a set of numbers or a value is around its mean or average. 20.375. c. 20.170. d. 54.931 9. Options: A. I. Variable Fl is an example of nominal variable. Inorrect 0.00 More model parameters increases the model's complexity, so it can more tightly fit data in training, increasing the chances of overfitting. Decide which of the conclusions is correct based on the statements. (B)The industry volume variance is the portion of the sales activity variance due to a change in the company's proportion of sales in the markets in which they operate. II) There is a linear relationship between the securities' coefficient of correlation and the portfolio variance. If the materials price variance is unfavorable, then the materials quantity variance must be favorable. Only A is true. (e) If X is a continuous random variable, then P(X ≥ v) = P(X > x) for any value of x. I. I. - The variance formulas only allow one factor to change at a time. Share. Which of the following statements are true? The expected value of is zero. B. b. Which of the following statements are true a The variance of a binomial. b. a. mulled by the standard … True/False. • All handles are ladles. The larger the variance, the greater the dispersion.
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