What is the PCM test called that compares sensor inputs to one another to see if the information makes sense when analyzed as a group?
What will be an ideal response?
Rationality test
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Simple actions such as sliding across the seat of the vehicle can build ____, which can damage electronic components.
A. static electricity B. dynamic electricity C. potential electricity D. retained electricity
Who developed the quick freezing process for preserving food?
A) Clarence Birdseye B) Carter Stanfield C) Dave Lennox D) Willis Carrier
The circuit for a decoder is basically the same as for a multiplexer
Indicate whether the statement is true or false
A medical researcher wants to determine whether exercising can lower blood pressure. She recruits 100 people with high blood pressure to participate in the study. She assigns a random sample of 50 of them to pursue an exercise program that includes daily swimming and jogging. She assigns the other 50 to refrain from vigorous activity. She measures the blood pressure of each of the 100 individuals both before and after the study.
a. Is this a controlled experiment or an observational study? b. On the average, the subjects in the exercise group substantially reduced their blood pressure, while the subjects in the no-exercise group did not experience a reduction. The researcher concludes that exercise decreases blood pressure. Is this conclusion better justified than the conclusion in Exercise 8? Explain.