An awareness of the normal balances of accounts would help you spot which of the following as an error in recording?

The cost of the goods that a company sold during a period is shown in its financial statements as ___________ and the cost of the goods that a company still has on hand at the end of the year is shown in the financial statements as ____________.  

The mean score of a college entrance test is 500; the standard deviation is 75. The scores are normally distributed. What percent of the students scored below 320?  

True or False: The t-test for coefficients in regression is only necessary for multiple linear regression?

At December 31, Amy Jo’s Appliances had account balances in Accounts Receivable of $311,000 and $970 (debit) in Allowance for Uncollectible Accounts. An analysis of Amy Jo’s December 31 accounts receivable suggests that the allowance for uncollectible accounts should be 2% of accounts receivable. Bad debt expense for the year should be:  

A group of statistics students decided to conduct a survey at their university to find the average (mean) amount of time students spent studying per week. Assuming a population standard deviation of three hours, what is the required sample size if the error should be less than a half hour with a 99% level of confidence?

To be considered statistically valid, any sampling procedure must include some form of _____________________________________.

A regression model between sales (y in $1000), unit price (x1 in dollars), and television advertisement (x2 in dollars) resulted in the following function: ​ Y = 7 – 3×1 + 5×2​ ​  The coefficient of x2 indicates that if television advertisement is increased by $1 (holding the unit price constant), sales are expected to

If r = 0.65, what does the coefficient of determination equal?  

. A random sample consisting of the values listed below was taken from a normally distributed population.  Assuming the standard deviation of the population is unknown, construct a 99% confidence interval for the population mean that these samples were taken from. (27.4, 26.5, 25.7, 31.4, 28.2, 21.9, 16.3, 22.7, 18.8, 34.4, 29.2, and 20.5)