Q.1
If data can only take certain numerical values it is called discrete. Which of these types of data is discrete?
  • The color of an apple
  • The number of pips in an apple
  • The volume (in cm3) of an apple
  • The weight (in g) of an apple
Q.2
If data can be measured against a scale it is called continuous. Which of these types of data is continuous?
  • The beds in wards of a town's hospital
  • The heights of buildings in a town
  • The names of roads in a town
  • The number of pupils in a town's schools
Q.3
Adults responding to a survey are asked to choose their age group from these: 18-25, 25-40, 40-60, overWhat is wrong with this choice?
  • No ages below 18
  • Age group intervals are all different
  • Intervals overlap
  • 'Over 60' is too vague
Q.4
Which of these can be read from a grouped frequency table of children's heights (h cm) recorded in 10cm intervals?
  • Heights of individual children
  • The height range
  • The median height
  • The modal height interval
Q.5
The frequency recorded in the interval 130 < h ≤ 140 isThis means that five children are .......
  • at least 130cm tall
  • less than 140cm tall
  • 135cm tall
  • over 130cm and up to 140cm tall
Q.6
Which of these intervals would include a height of 130cm?
  • 125 ≤ h < 130
  • 130 < h ≤ 140
  • 120 < h ≤ 130
  • h >130
Q.7
The contents of seed packets are recorded to the nearestA pack with 43 seeds is recorded as having .......
  • 30 seeds
  • 35 seeds
  • 40 seeds
  • 45 seeds
Q.8
A packet of 50 seeds (to the nearest 10) will contain at least .......
  • 44 seeds
  • 45 seeds
  • 54 seeds
  • 55 seeds
Q.9
The contents of 20 packets of seeds (to the nearest 10) are: 5 x 30, 9 x 40, 5 x 50, 1 xWhat is the best estimate for the total number of seeds in these packs?
  • 630
  • 750
  • 820
  • 940
Q.10
The contents of 20 packets of seeds (to the nearest 10) are: 5 x 30, 9 x 40, 5 x 50, 1 xWhat is the best estimate for the mean (average) contents of these seed packets?
  • 41
  • 42
  • 43
  • 44
0 h : 0 m : 1 s