Which of the Following Statements Are True About Variance

A Asmall variance indicates that the data points tend to be spread out from the mean 8. Whenever we discuss model prediction its important to understand prediction errors bias and variance.

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C The volume variance is 150.

. B If the sales activity variance for sales revenue is unfavorable then the contribution margin sales activity variance will be unfavorable. The material quantity variance reflects the difference between the quantity of materials used in production and the quantity allowed for the actual output. Up to 25 cash back Which of the following statements is NOT true.

Which of the following statements is true about variance. Here high and. 3A revenue variance is favorable if the actual revenue is greater than the revenue in.

Show activity on this post. Which of the following statements is true regarding variance analysis in the modern manufacturing environment. The difference between the actual quantity and the standard quantity for direct materials multiplied by the standard price.

The variable overhead rate variance uses the same basic formula as the labor rate variance except that the variable overhead rates are used instead of the direct labor rates. E A favourable variance is not always beneficial for an organization. The greater the dispersion in the possible returns on the firms stock the lower the variance of the possible returns all else equal III.

Neither A and B is true. The higher the coefficient of correlation between securities the greater the reduction in the portfolio variance. Which of the following statements regarding direct materials quantity variance is TRUE.

Variance is essentially the variability from the average. Actual production was 3500 units and total fixed overhead was 6150. Only A is true.

B The volume variance is 850. The variable overhead rate variance may not explain all the differences between actual spending and standard variable overhead. The least it can get is 0 and only in the case where all observations are equal.

Understanding the Bias-Variance Tradeoff. A A favourable variance always benefits a company. D The spending variance is 850.

All of the above statements are true. There is not necessarily any correlation between the sign of the result positive or negative and whether the variance is positive or negative. Which of the following statements is true.

There is a tradeoff between a models ability to minimize bias and variance. Models which overfit are more likely to have high variance. Favourable when actual direct material used is greater than the standard.

The use of ideal standards over practical standards will always be the best motivator to employees. The standard deviation is the square root of the variance. When the standard purchase price is less than the actual price paid for materials the.

Which of the following statements is true. If X is your only random variable being modeled V a r X is just a number not a random quantity. The variance can be a negative number.

I agree with the answer but I would just like to point out that empirical variance an estimator of population variance based on sample data will be a random variable and the expression Var. Which of the following statements is are true regarding the variance of a portfolio of two risky securities. Variance is always greater than the mean D.

A The sales activity variance is the actual selling price per unit times the difference between the budgeted units and actual units. E Road about thls V. Which of the following statements are true about variance.

Negative variances ie those with a negative sign are always favorable. Which of the following statements is true. Variance is the average of a probability distribution 2.

True True or false. 6 rows Regarding bias and variance which of the following statements are true. Here high and low are relative to the ideal model AModels which overfit have a high bias and underfit have a high variance BModels which overfit have a high bias and underfit have a low variance.

2A favorable spending variance occurs when the actual cost is less than the amount of the cost in the static planning budget. There is a linear relationship between the securities coefficient of correlation and the portfolio variance. The variance is a simple average of the squared deviations of the actual returns from the expected returns II.

Gaining a proper understanding of these errors would help us not only to build accurate models but also to avoid the. Fibre is mainly a carbohydrate. It requires all variances regardless of size to be investigated by managers.

So V a r V a r X is 0 as is repeating it any more times. The activity variance for a variable expense will be favorable if the actual level of activity is greater than the planned level of activity. If the variance of a data set is 25 the standard deviation is 625.

A Bias will be high variance will be high B Bias will be low. The activity variance for a variable expense will be favorable if the actual level of activity is less than the planned level of activity. 1 The lower the coefficient of correlation between securities the greater the reduction in the portfolio variance.

The activity variance for a variable expense will usually equal zero. 1A revenue variance is unfavorable if the revenue in the static planning budget is less than the revenue in the flexible budget. View WHICH OF THE FOLLOWING STATEMENTS ARE TRUE ABOUT VARIANCEpng from MATH MISC at American Public University.

C Favourable variances are typically not preferred by management. Variance can never be negative as it is the sum of squares. The variance of the possible returns on a risk-free asset is zero A.

Variance is sum of squares of deviations. The only way it can be 0 is if all deviations are 0 which implies are observations are equal. R-Squared and Adjusted R-squared both increase 2.

The Statement fruits and vegetables are sources of fibre is - True. Only B is true. Variance describes how spread out a set of numbers or a value is around its mean or average.

Positive variances ie those with a. If all of the data values in a data set are identical then the standard deviation is 0. A The spending variance is 150.

B Managers attempt to maintain unfavourable variances. The larger the variance the greater the dispersion. 15 Which of the following statements is true.

Only A is true. A master budget calls for 3000 units of production and budgeted fixed overhead of 6000. Regarding bias and variance which of the following statements are true.

D Only a flexible budget can be used to determine a variance. The variance is a measure of the dispersion or spread of a distribution about its mean. Fibre is made up of the indigestible parts or compounds of plants.

Which of the following statements are true about variance. A small variance Indicates that the data points tend to be close to the mean.

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