Q.1.
If data can only take certain numerical values it is called discrete. Which of these types of data is discrete?
Q.2.
If data can be measured against a scale it is called continuous. Which of these types of data is continuous?
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?
Q.4.
Which of these can be read from a grouped frequency table of children's heights (h cm) recorded in 10cm intervals?
Q.5.
The frequency recorded in the interval 130 < h ≤ 140 isThis means that five children are .......
Q.6.
Which of these intervals would include a height of 130cm?
Q.7.
The contents of seed packets are recorded to the nearestA pack with 43 seeds is recorded as having .......
Q.8.
A packet of 50 seeds (to the nearest 10) will contain at least .......
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?
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?