45 a The following statement is more precise: P1 2 P1 for selection of is strong evidence to support H ‘There is strong evidence to support my my with explanation about practicalities of ‘There hypothesis’ it is usually not proving an hypothesis hypothesis’. In reality possible to prove a hypothesis just to gather evidence to support it. b i Because you may not have gathered P1 P1 for explanation of having sufficiently large enough evidence. sample/evidence ii Because you gathered enough P1 P1 for giving same reason / an awareness of the haven’t evidence or using a practical difficulties of getting all other variables equal you’re ‘null’ hypothesis. or unchanged so that they do not affect the success or otherwise of your evidence gathering oe 3
45 a b i ii The following statement is more precise: ‘There is strong evidence to support my hypothesis’. In reality it is usually not possible to prove a hypothesis just to gather evidence to support it. Because you may not have gathered enough evidence. Because you haven’t gathered enough evidence or you’re using a ‘null’ hypothesis. P1 P1 P1 2 P1 for selection of ‘There is strong evidence to support my hypothesis’ with explanation about practicalities of proving an hypothesis P1 for explanation of having sufficiently large sample/evidence P1 for giving same reason / an awareness of the practical difficulties of getting all other variables equal or unchanged so that they do not affect the success or otherwise of your evidence gathering oe H 3
Foundation_Skills_Statistics%20MarkScheme_Edexcel.docx