As the method states that only two drops of detergent must be added to the peroxide, if the amount of detergent is not consistent, then the results may not be accurate as more foam can be produced because of the additional amount of detergent. For future investigations, instead of using the teat pipettes, the amount of detergent could be measured in a measuring cylinder to ensure that the amount of detergent added remains consistent. Increasing the sample size will increase precision, minimising the impact of random errors. Moreover, an average of the data could potentially reduce the effect of random errors on the data. The graph can be used to detect random errors through the amount of scattering in the results. Improvements could occur, with numerous trials, therefore, conducting an average of trials to minimise the effect of inaccurate measurements on the
As the method states that only two drops of detergent must be added to the peroxide, if the amount of detergent is not consistent, then the results may not be accurate as more foam can be produced because of the additional amount of detergent. For future investigations, instead of using the teat pipettes, the amount of detergent could be measured in a measuring cylinder to ensure that the amount of detergent added remains consistent. Increasing the sample size will increase precision, minimising the impact of random errors. Moreover, an average of the data could potentially reduce the effect of random errors on the data. The graph can be used to detect random errors through the amount of scattering in the results. Improvements could occur, with numerous trials, therefore, conducting an average of trials to minimise the effect of inaccurate measurements on the