You conduct a survey of a sample of 25 members of this year’s graduating business students and find that the average gpa is 3.2. the standard deviation of the sample is 0.4. over the last 10 years, the average gpa has been 3.0. is the gpa of this year’s students significantly different from the long-run average? at what alpha level would it be significant?

Grace period is a period of time before the credit card company starts charging late fees.truefalse

Which stroke of the four-stroke cycle is shown in the above figure? a. power b. compression c. exhaust d. intake

Which of the following statements regarding the learning curve and economies of scale is accurate? answers: just as diseconomies of scale are presumed to exist if a firm gets too large, there is a corresponding increase in costs in the learning-curve model as the cumulative volume of production grows.where diseconomies of scale are presumed to exist if a firm gets too large, there is no corresponding increase in costs in the learning-curve model as the cumulative volume of production grows.where diseconomies of scale are presumed to exist if a firm gets too small, there is no corresponding increase in costs in the learning-curve model as the cumulative volume of production grows.just as diseconomies of scale are presumed to exist if a firm gets too small, there is a corresponding increase in costs in the learning-curve model as the cumulative volume of production grows.