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A Level Maths Equations > Data (1) > Flashcards

Data (1) Flashcards

1
Q

Find the lower boundary for outliers

A

LQ - 1.5 * IQR

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2
Q

(LQ - 1.5) * IQR

A

Find the lower boundary for outliers

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3
Q

Find the upper boundary for outliers

A

UQ + 1.5 * IQR

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4
Q

UQ + 1.5 * IQR

A

Find the upper boundary for outliers

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5
Q

Find IQR

A

UQ - LQ

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6
Q

UQ - LQ

A

Find IQR

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7
Q

Equation for area?

A

Area = k * frequency

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8
Q

Area = k * frequency

A

Equation for area?

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9
Q

Find area per person in a histogram?

A

Area of rectangle / frequency

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10
Q

Area of rectangle / frequency

A

Find area per person in a histogram?

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11
Q

Find height of a rectangle in a histogram?

A

(Frequency * area per person)/width of rectangle

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12
Q

(Frequency * area per person)/width of rectangle

A

Find height of a rectangle in a histogram?

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13
Q

Find the frequency of a rectangle in a histogram

A

Area of rectangle * k

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14
Q

Area of rectangle * k

A

Find the frequency of a rectangle in a histogram

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15
Q

Find the median in a histogram?

A

Total frequency / 2 = median value (represented as x)

Find the rectangle the value is in

e.g. (x-20/30-20) = (144-120/216-120). Then find the x

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16
Q

Find the probability of picking an x between 25 and 40?

A

(Frequency between 25 and 40)/Total frequency

17
Q

(Frequency between 25 and 40)/Total frequency

A

Find the probability of picking an x between 25 and 40?

18
Q

Find width of a rectangle?

A

Horizontal interval / cm

19
Q

Horizontal interval / cm

A

Find width of a rectangle?

20
Q

Frequency density calculation?

A

Frequency / width

21
Q

Frequency / width

A

Frequency density calculation?

A Level Maths Equations (66 decks)

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