My teacher said that the reliability of experiment and of results are two different things and that repetition of trials will not improve the reliability of the experiment, could anyone pls explain the difference and how to improve the reliability of both ?
Could someone please help me with the 5-marker procedure of the investigation, I am a bit confused about what materials to use and how I should measure the volume of the solutions (measuring cylinder??) and the mass of the mixed solution
In stats, why is the median sometimes a better representation of the middle value compared to the mean ? Also, when comparing two sets of data, how does the median suggest anything about the skewness of the data set ?
By banking a car at an angle while travelling, we are decreasing the need for frictional force to maintain its velocity. But what does this have to do with the normal force of the car when it is on flat surface and at an angle ?
Is there a reason why the power sockets at our home is AC and not DC , aside from the fact that AC is more efficient at transferring power over long distance ? Would it be not safe to use DC at home or something ?
If I am working on a titration, and I forget to rinse the sides of a beaker when transferring a dissolve primary standard into the volumetric flask, then would I be limiting the validity of the experiment or am i decreasing the accuracy of the experiment ? or both ?