A software firm has an opening for a software programmer. Jason, the HR manager, is making a list of all the tasks, duties, and responsibilities that make up a software programmer's job. He then lists the knowledge, skills, and abilities that a candidate should possess in order for him/her to perform the job. This is the process of developing a job .A) analysisB) validationC) utilizationD) design

True or false: a fitted model with more predictors will necessarily have a lower training set error than a model with fewer predictors.

Dr. sperry, a biologist, is using excel to track growth rates of different populations of bacteria. she has a very complex formula in one cell. it begins with “round”. dr. sperry would like to see exactly how excel’s calculation reached the final rounded value that she sees in the cell. what could dr. sperry do to best understand how the calculation was made? try different formulas on her own until she reaches the value shown in excel click on the evaluate formula button in the formulas tab and then click “step in” select the cell and then look at the formula in the formula field of the ribbon remove “round” from the formula in order to see the actual value before rounding

Answer the questions about keynesian theory, market economics, and government policy. keynes believed that there were "sticky" wages and that recessions are caused by increases in prices. decreases in supply. decreases in aggregate demand (ad). increases in unemployment. keynes believed the government should increase ad through increased government spending, but not tax cuts. control wages to increase employment because of sticky wages. increase employment through tax cuts only. increase as through tax cuts. increase ad through either increased government spending or tax cuts. intervene when individual markets fail by controlling prices and production.