The Advanced Numeracy Test Workbook - Mike Bryon [24]
Q25. During which year was the increase in house prices the smallest, as indicated by the chart?
A 1999
B 2000
C 2001
D 2002
E 2003
Answer
Q26. Which year saw the fastest fall in the growth of house prices compared to the previous year?
A 1999
B 2000
C 2001
D 2002
E 2003
Answer
Q27. What was the mean rate of change in house prices over the five years shown?
A 10%
B 11%
C 12%
D 13%
E 14%
Answer
Q28. Using a straight trend line, estimate the theoretical level of rate of change in 2004 without taking any other considerations into account.
A Between 8% and 12%
B Between 13% and 16%
C Between 17% and 24%
D Between 25% and 29%
Answer
Situation 3
The residents of Oldcastle are a literary lot and love to read. The diagrams below indicate the age range of the population and the types of media read.
Q29. Assuming people only read one publication, how many more people read newspapers than books?
A 209
B 1,678
C 1,765
D 1,887
Answer
Q30. What is the greatest age range within the population?
A 0–35
B 16–35
C 36–65
D 46–66+
Answer
Q31. Which of the following is true?
A 4,318 people live in Oldcastle
B Magazines are read by 17% of the population
C 17% of the people in Oldcastle read
D Magazines account for 17% of the literature read
Answer
Q32. If the comics are read exclusively by 100% of the 0–15 year olds, what is the population of Oldcastle?
A 3,481
B 3,500
C 4,318
D 5,300
Answer
Q33. If a bag contains five red balls and five blue balls, and the first five balls drawn are all blue, what is the probability that the seventh ball drawn is red?
A 1
B .5
C .25
D .33
Answer
Q34. What is the area of an isosceles triangle that contains a right angle and two sides measuring 10cm?
A 30cm2
B 50cm2
C 40cm2
D 33cm2
Answer
Q35. Stochastic variables are:
A Predictable
B Sample selected
C Random
D Statistically descriptive
Answer
Q36. The Sun rises in the east. If you were able to look down on the Earth from over the North Pole, would it be rotating clockwise or anticlockwise?
A Anticlockwise
B Clockwise
C Impossible to tell
Answer
Q37. A decile is split into:
A 100 equal parts
B 1,000 equal parts
C 10 equal parts
D 5 equal parts
Answer
Q38. The weekly earnings of the workers at BIG Ltd have a mean of £240 and a standard deviation of £50. If the workers each receive a rise of £40 per week, what will be the new standard deviation?
A £40
B £50
C £90
D £280
Answer
Q39. A positive correlation is represented by:
A A correlation coefficient greater than 0
B A correlation coefficient less than 0
C A scatter of points that lie in a straight line
D A scatter of points that show a direct correlation
Answer
Q40. A bag contains 20 sweets, 10 of which are lemon and 10 vanilla flavoured. A sweet is drawn at random, and replaced, and a second is drawn at random. What are the chances (probability) that both sweets are lemon flavoured?
A 1/2
B 1/4
C 1/8
D 1/16
Answer
Q41. In the situation detailed in Q40, what are the chances that the first sweet is lemon flavoured but the second is vanilla?
A 1/2
B 1/4
C 1/8
D 1/16
Answer
Q42. With the same bag of sweets as in Q40, a sweet is drawn and returned to the bag, a second sweet is drawn and returned, and a third sweet is drawn and returned. What is the probability that all three are lemon?
A 1/8
B 1/16
C 1/4
D 1/2
Answer
Q43. 1m2 carpet tiles are bought in packs of six. A room to be fitted measures 18m × 5m. How many packs of tiles do I need to buy?
A 15
B 16
C 18
D 20
Answer
Q44. In statistics the meaning of range is:
A The sum of the values of a scatter of data
B The difference between the largest and smallest values
C The distance between the x coordinate and the value of the relevant data
D All the positive correlations subtracted from the negative correlations
Answer
Q45. At the local garden centre, pea canes have been delivered from the wholesalers in two