For the simple linear regression, Y = b + mX, which variable is considered the slope coefficient?
A. X
B. m
C. b
D. Y
Answer: B
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Endangered species
A. are mainly found in the tropics. B. are likely to be in danger of extinction in the future. C. will become extinct in the next 50 years. D. are in danger of extinction throughout all or most of their range. E. are those species found only in zoos, aquaria, and museums.
Hammerhead sharks are part of this class of fish
A) osteichthyes B) cartilaginous C) agnatha D) sharkailnous
Which of the following properties of water enable(s) it to function as a regulator of temperature for living organisms? (Hint: Think about what happens when you are sunbathing.)
A) High specific heat and high heat of vaporization B) High specific heat C) High heat of vaporization D) Low specific heat E) High specific heat and low heat of vaporization
The oldest fossils ____.
A. demonstrate the widest distribution B. represent the most highly evolved organisms C. are buried deeper in the ground than newer forms D. are found in Africa E. are primitive marine vertebrates