Calculate the standard deviation of this sample of values: …

Calculate the standard deviation of this sample of values:  [a], [b], [c], [d], [f] This copywritten question is part of an exam or quiz at Arizona State University. It may not be posted or reproduced without permission from Dr. D. McCarville, Dr. L. Chattin, and Arizona State University Enter your answer below, round to two decimal places.

A Laser-Based Powder Bed Fusion Additive Manufacturing compa…

A Laser-Based Powder Bed Fusion Additive Manufacturing company believes that the tensile strength of one artifact in their experiment, a machine tensile bar (MTB), is significantly less than the tensile strength of another artifact they produced, a rough tensile bar (RTB). The tensile strength of four samples of both the MTB and RTB were measured (listed below).  MTB 1246 psi 1351 psi 1294 psi 1317 psi RTB 1365 psi 1283 psi 1322 psi 1378 psi This copywritten question is part of an exam or quiz at Arizona State Univerisity. It may not be posted or reproduced without permission from Dr. D. McCarville, Dr. L. Chattin, and Arizona State University What would be a reasonable analysis approach using this data?  Select the best answer below.

A local plant produces an item used in road construction.   …

A local plant produces an item used in road construction.   Estimated fixed costs are $73,000 per month.  The estimated revenue is $[x] per item and the estimated variable cost is $[y] per item.   This copywritten question is part of an exam or quiz at Arizona State Univerisity. It may not be posted or reproduced without permission from Dr. D. McCarville, Dr. L. Chattin, and Arizona State University How many items per month must the plant produce in order to make money? Enter your answer to the nearest integer.