41 RangeA = 86 18 = 70 Valid advice based on the salary scales M1 2 M1 for calculation of ranges H – RangeB = 45 22= 23 provided (see notes) M1 M1 for calculation of means – e.g. Jasmin should join firm B if she is M1 M1 for identification of medians MeanA = = prepared to accept that the higher final M1 M1 for identification of modes 31.555… MeanB= = salary is not as high as A. However, the P1 P1 for justification of either firm A or firm B 27.888… starting salary is higher and Jasmin can C1 C1 for use of table oe for comparison progress more quickly to a higher salary with B than A. There is a greater range of salaries in firm A than firm B Jasmin should join firm A if she aspires to being the boss. Alternatively she could start with firm B and move to firm A after 7 salary increments for maximum earnings. 6
41 RangeA = 86 – 18 = 70 RangeB = 45 – 22= 23 MeanA = = 31.555… MeanB= = 27.888… Valid advice based on the salary scales provided (see notes) e.g. Jasmin should join firm B if she is prepared to accept that the higher final salary is not as high as A. However, the starting salary is higher and Jasmin can progress more quickly to a higher salary with B than A. There is a greater range of salaries in firm A than firm B Jasmin should join firm A if she aspires to being the boss. Alternatively she could start with firm B and move to firm A after 7 salary increments for maximum earnings. M1 M1 M1 M1 P1 C1 2 M1 for calculation of ranges M1 for calculation of means M1 for identification of medians M1 for identification of modes P1 for justification of either firm A or firm B C1 for use of table oe for comparison H 6
Foundation_Skills_Statistics%20MarkScheme_Edexcel.docx