Strength tests on four batches of concrete show them to fail at 81, 78, 86, and 95 ksi. The standard deviation of this sample is most nearly:

Anurse is discussing adverse reactions to pain medications in older adult clients with a newly licensed nurse. which of the following findings should the nurse include as risk factors for an adverse drug reaction? (select all that apply.) a. decreased percentage of body fat b. polypharmacy c. multiple health problems d. increased rate of absorption e. decreased renal function