1 Following are the results of a maths test for a group of students
 45   36   44   21   46   28   37   4441   30   45   38   24   21   38   23

 Draw a stem-and-leaf diagram, include the key

 (a)   Order the numbers 21   21   23   24   28   30   36   37 38   38   41   44   44   45   45   46 (b)   Create the stem-and-leaf diagram 2   |   1   1   3   4   8 3   |   0   6   7   8   8 4   |   1   4   4   5   5   6 Key: 2 | 1 represents 21

 2 Following are the results of an English test for a group of students
 52   37   40   47   53   41   44   5060   47   36   35   59   60   32   46

 Draw a stem-and-leaf diagram, include the key

 (a)   Order the numbers 32   35   36   37   40   41   44   46 47   47   50   52   53   59   60   60 (b)   Create the stem-and-leaf diagram 3   |   2   5   6   7 4   |   0   1   4   6   7   7 5   |   0   2   3   9 6   |   0   0 Key: 3 | 2 represents 32

 3 Following are the results of a science test for a group of students
 20   26   49   17   45   23   3424   12   22   44   32   35   48

 Draw a stem-and-leaf diagram, include the key

 (a)   Order the numbers 12   17   20   22   23   24   26 32   34   35   44   45   48   49 (b)   Create the stem-and-leaf diagram 1   |   2   7 2   |   0   2   3   4   6 3   |   2   4   5 4   |   4   5   8   9 Key: 1 | 2 represents 12

 4 Following are the results of a French test for a group of students
 41   26   27   31   21   52   4038   43   47   28   50   22   59

 Draw a stem-and-leaf diagram, include the key

 (a)   Order the numbers 21   22   26   27   28   31   38 40   41   43   47   50   52   59 (b)   Create the stem-and-leaf diagram 2   |   1   2   6   7   8 3   |   1   8 4   |   0   1   3   7 5   |   0   2   9 Key: 2 | 1 represents 21

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