2021 SQA Nat 5 Mathematics Paper 2: nos. 6 & 7

6. Find the mean and standard deviation of a set of six numbers, and compare them to a similar set. 7. Find the length of one side of a triangle given the other two lengths and their bearings. Instructional exercise consisting of questions 6 and 7 from the second paper of the 2021 SQA National 5 Mathematics resource paper. Where appropriate the alternative methods for solving the problem are also given. Set out in stages of 'try then check' the worked solution to each part of the question. Including indications of where each mark is allocated, and the requirements for that mark, according to the marking scheme.