5 interactive labs · O Level Mathematics 4024
· Drag values on a balancing dot plot, add an outlier, then find averages from a frequency table and estimate a grouped mean from midpoints.
Drag values on a balancing dot plot, add an outlier, then find averages from a frequency table and estimate a grouped mean from midpoints.
You will be able to
· Set how many students travel each way to school and watch each sector's angle, then work backwards from an angle to a frequency or a total.
Set how many students travel each way to school and watch each sector's angle, then work backwards from an angle to a frequency or a total.
You will be able to
· Change the strength of a relationship, drag a line of best fit through the mean point, and see why an estimate outside the data is unreliable.
Change the strength of a relationship, drag a line of best fit through the mean point, and see why an estimate outside the data is unreliable.
You will be able to
· Build a cumulative frequency curve from a grouped table, then read the median, quartiles, percentiles and how many are above a value.
Build a cumulative frequency curve from a grouped table, then read the median, quartiles, percentiles and how many are above a value.
You will be able to
· Draw a histogram with unequal class widths, see why bar area and not height shows frequency, and estimate how many lie in part of a class.
Draw a histogram with unequal class widths, see why bar area and not height shows frequency, and estimate how many lie in part of a class.
You will be able to