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What do the variance and the standard deviation measure?
They are measures of the spread of distributions about their mean.
Will a large sample size and a small sample variance produce the largest value for the estimated standard error?
no
What is the sample variance and the estimated standard error for a sample of n 9 and scores with SS 72?
The sample variance (s²) is calculated using the formula ( s² = \frac{SS}{n - 1} ), where SS is the sum of squares and n is the sample size. For a sample size of n = 9 and SS = 72, the sample variance is ( s² = \frac{72}{9 - 1} = \frac{72}{8} = 9 ). The estimated standard error (SE) is the square root of the sample variance divided by the sample size, calculated as ( SE = \sqrt{\frac{s²}{n}} = \sqrt{\frac{9}{9}} = 1 ). Thus, the sample variance is 9 and the estimated standard error is 1.
How is standard costing variance interrelated?
http://www.futureaccountant.com/standard-costing-variance-analysis/ http://www.futureaccountant.com/standard-costing-variance-analysis/
Standard Costing Vs Variance Analysis?
standard costing and variance analysis
What do the variance and the standard deviation measure?
They are measures of the spread of distributions about their mean.
If the sample variance increases the estimated standard error will also increase?
true
The variance which measures the deviation of the rate actually paid to labor as from the standard hourly rate is known as?
Labour rate variance .
Will a large sample size and a small sample variance produce the largest value for the estimated standard error?
no
What are the common measures of dispersion?
Range, standard deviation, variance, root mean square, interquartile range
Why we calculate the variance and standard deviation?
They are measures of the spread of the data and constitute one of the key descriptive statistics.
What is the relationship between standard deviation and variance?
Standard deviation is the square root of the variance.
What is a Measure of spread about the mean?
Standard error, standard deviation, variance, range, inter-quartile range as well as measures based on other percentiles.
What do you mean by measures of central tendency and dispersion?
Common measures of central tendency are the mean, median, mode. Common measures of dispersion are range, interquartile range, variance, standard deviation.
Which of the following samples will produce the largest value for the estimated standard error?
A small sample size and a large sample variance.
How is standard costing variance interrelated?
http://www.futureaccountant.com/standard-costing-variance-analysis/ http://www.futureaccountant.com/standard-costing-variance-analysis/
Standard Costing Vs Variance Analysis?
standard costing and variance analysis
