Statistics for Science - Outcome 1 Flashcards

Use and Understand Basic Statistical Concepts

1
Q

describe qualitative data

A
  • data that is descriptive by nature
  • words are used to describe this data
  • only allows very minimal statistical analysis to be carried out in the form of simple graphs and charts
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2
Q

describe quantitive data

A
  • numerical data
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3
Q

what are the two types of quantitive data?

A

continuous and discrete

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4
Q

describe discrete quantitive data

A
  • numerical data that can only take on specific values
    ie. number of students in class, number of bacteria on a plate
  • can only take exact values
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5
Q

describe continuous data

A
  • numerical data that can only be measured to a certain degree of accuracy ie. weight, height or temperature
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6
Q

explain what is meant by random sampling

A

every member of the population has an equal chance of being selected

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7
Q

what is meant by the mean?

A

the average

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8
Q

define standard deviation

A

the average distance from the mean value of all values in a set of data

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9
Q

what is meant by the coefficient of variation?

A

it expresses the standard deviation as a fraction/percentage of the mean

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10
Q
A
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