Ch. 1 & statistics Flashcards

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1
Q

how do you find the mean?

A

add all numbers up and divide by how many #s there are

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2
Q

how do you find the median?

A

the number in the middle

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3
Q

how do you find the mode?

A

whichever number appears the most

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4
Q

how do you find the range?

A

subtract lowest number from highest number

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5
Q

what are the properties of life?

A

energy processing, regulation, order, evolutionary adaption

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6
Q

List the levels of organization in order

A

atoms, molecules, organelle, cells, tissue, organs, organ system, organism, population, communities, ecosystems, biosphere

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7
Q

whats reflective of the phrase “the whole is greater than the sum of its parts”?

A

emergent properties

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8
Q

what are the three domains of life?

A

Bacteria, Archaea, Eukarya

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9
Q

what do protists have that bacteria do not have?

A

membrane-bound nucleus

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10
Q

what do eukarya and archaea have in common?

A

DNA and cytosol

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11
Q

what is a hydroxyl group?

A

-OH

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12
Q

what is an amino group?

A

NH2

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13
Q

how do you calculate standard deviation?

A
  1. You subtract each data point from the mean and square it
  2. Add those values together
  3. Divide that by n-1 and square root it
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14
Q

how do you calculate standard error?

A

divide the standard deviation by the square root of n

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