There are 8,000 students at the school of management, ut dallas. the average age of all the students is 24 years with a standard deviation of 4.76 years. what is the smallest sample size such that the standard deviation of the sample mean is 0.56 years or less? (enter an integer number.)

Heating & cooling installs and services commercial heating and cooling systems. elklandelkland uses job costing to calculate the cost of its jobs. overhead is allocated to each job based on the number of direct labor hours spent on that job. at the beginning of the current year, elklandelkland estimated that its overhead for the coming year would be $ 61 comma 500$61,500. it also anticipated using 4 comma 1004,100 direct labor hours for the year.

The wall street journal reported that walmart stores inc. is planning to lay off 2,300 employees at its sam's club warehouse unit. approximately half of the layoffs will be hourly employees (the wall street journal, january 25-26, 2014). suppose the following data represent the percentage of hourly employees laid off for 15 sam's club stores. 55 56 44 43 44 56 60 62 57 45 36 38 50 69 65 (a) compute the mean and median percentage of hourly employees being laid off at these stores. (b) compute the first and third quartiles. (c) compute the range and interquartile range. (d) compute the variance and standard deviation. (e) do the data contain any outliers? (f) based on the sample data, does it appear that walmart is meeting its goal for reducing the number of hourly employees?

What is used by accountant to analyze transactions ?