Recently published items - Numbas at mathcentre.ac.uk

Students are shown a normal distribution, and a slider that moves the distribution horizontally. They are asked to move it so that the mean is equal to a particular value.

Published on 18/01/2023 05:13 CC BY-NC-SA

MSS - Normal Distribution Area Mid

Question by Brent Le Cornu and 3 others

Students are asked to move an x-axis slider representing standard deviation on a normal distribution to make the area between (mean - slider value) and (mean + slider value) equal to a certain percentage. The 3 possible percentages correspond to the mean plus or minus 1, 2 or 3 standard deviations.

Published on 18/01/2023 05:02 CC BY-NC-SA

MSS - Normal Distribution Area Left

Question by Brent Le Cornu and 1 other

Students are asked to move an x-axis slider on a normal distribution to make the area to the left of the slider equal to a certain percentage. The 6 possible percentages correspond to the mean plus or minus 1, 2 or 3 standard deviations.

Published on 18/01/2023 04:52 CC BY-NC-SA

MSS - Median Calculation

Question by Brent Le Cornu and 1 other

Students are shown an unsorted list of 6 or 7 numbers and asked to calculate the median.

Published on 18/01/2023 04:29 CC BY-NC-SA