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Quiz

Statistics Past Papers

Rosie Salande 11 perguntas Atualizado em 23 abr 2016

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Perguntas do quiz (11)

  1. 1Which one of the following graphs is 'skewed to the right'?
    1. AImagem da opção A
    2. BImagem da opção B
    3. CImagem da opção C
    4. DImagem da opção D
  2. 2Which of theses is not a type of data we use in statistics?
    1. AOrdinal
    2. Bnomical
    3. Cdiscrete
    4. Dindiscrete
    5. Econtinuous
  3. 3In a class of 120 students, the mean height is 1.60 metres, with a standard deviation of 0.20 metres. Assuming that the data is normally distributed, how many students are 1.80 metres or taller?
    1. A40
    2. B50
    3. C30
    4. D20
    5. E10
  4. 4At approximately what age will a child have reached 50% of their adult height?
    1. A5 years
    2. BAt birth
    3. C6 months
    4. D1 year
    5. E2 years
  5. 5According to the office for national statistics, the median age of the UK population has increased from 34.1 years in 1971 to 38.8 years in 2005. What inference can most reasonably be made from this information?
    1. AInfant mortality has fallen
    2. BThe birth rate has increased
    3. CThe maximum human life span has increased
    4. DThe total UK population has increased
    5. EIndividual life expectancy has increased
  6. 6Acetic acid (CH3COOH) dissociates in solution to acetate (CH3COO-) and hydrogen ions (H+).
    The pKa for the dissociation of acetic acid is 4.73.
    If the concentration of acetic acid in solution is 5mM,
    what is the concentration of acetate (CH3COO-) at a pH of 6.00?
    1. A9.31 mM
    2. B3.7 mM
    3. C37 mM
    4. D93.1 mM
    5. E2.5 mM
  7. 7What is the hydrogen ion concentration in a solution with a pH of 7.0?
    1. A0.1 micromoles/litre
    2. B0.1 millimoles/litre
    3. C10 nanomoles/litre
    4. D10 micromoles/litre
    5. E1 micromole/litre
  8. 8A 0.9% NaCl solution is referred to as "isotonic" saline". It is made by dissolving 0.9 grams NaCl in 100ml of water. Which ONE of the following combinations will also produce saline solution?
    1. A1.8 gm NaCl in 500ml water
    2. B18 gm NaCl in 2 litres water
    3. C4.5 gm NaCl in 200ml water
    4. D9 mg NaCl in 10ml water
    5. E45 gm NaCl in 9 litres water
  9. 9Which one of the following items of information about an individual is qualitative in type?
    1. ABlood group
    2. BBlood pressure
    3. CCardiac output
    4. DAge
    5. EHeart rate
  10. 10Which one of the following variables is a continuous, quantitative variable?
    1. AShoe size
    2. BNumber of filled teeth
    3. CSex
    4. DHeight
    5. EHair colour

Informações

Descrição
Year One Statistics Quiz sobre Statistics Past Papers, criado por Rosie Salande em 14-04-2016.
Idioma
English
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1
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Criado em 14 abr 2016 · atualizado em 23 abr 2016
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