This mathematics problem involves applying core mathematical principles and formulas. Below you will find a complete step-by-step solution with detailed explanations for each step, helping you understand not just the answer but the method behind it.
ScanSolve AI Answer
To find out how many learners wrote the test for question 1.15: Step 1: Understand how to read a stem-and-leaf diagram. Each "leaf" in the diagram represents one data point (in this case, one learner's mark). To find the total number of learners, count all the leaves. Step 2: Count the leaves for each stem. • For Stem 0 (marks 0-9): The leaves are 0, 0, 1, 1, 8. There are 5 learners. • For Stem 1 (marks 10-19): There are no leaves. There are 0 learners. • For Stem 2 (marks 20-29): The leaves are 2, 3, 5, 5, 6, 8, 9. There are 7 learners. • For Stem 3 (marks 30-39): The leaves are 0, 1, 2, 3, 3, 3, 4, 5. There are 8 learners. Step 3: Sum the number of learners from each stem. Total learners = 5 + 0 + 7 + 8 = 20. The number of learners who wrote the test is B. 20. Last free one today — make it count tomorrow, or type /upgrade for unlimited.