A Level Statistics: Unit 9 - Normal Distribution Mean and Variance 0.0 / 5 ? StatisticsThe Normal Distribution meanvariancestandard deviationA2/A-levelEdexcel Created by: MrsHodgettsStatisticsCreated on: 27-04-22 09:27 The mean and variance are the __________ of the normal distribution parameters 1 of 8 If µ or σ are _______ parameters we must work backwards from the probability to work them out unknown 2 of 8 To find µ and/or σ we can use the z value from Table 4 then substituting into the ________ Normal formula (z). standard 3 of 8 If you know the ____, standard deviation and one tail point you can find the value of x mean 4 of 8 If you know the ________ _________ and one tail point you can find the mean standard deviation 5 of 8 If you know the mean and one ____ _____ you can find the standard deviation tail point 6 of 8 If you know ___ tail points you can find the mean and standard deviation two 7 of 8 If µ AND σ are unknown we must use these equations to solve ______________ simultaneously 8 of 8
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