An agricultural scientist investigated the soil health of fields managed under two different systems: Regenerative Farming and Conventional Farming. A sample of ten topsoil cores was taken from each plot and assessed using a Soil Health Index (ranging from 10 to 150, where higher scores indicate better soil quality).

Table 1: Soil Health Index scores in Regenerative and Conventional plots

Core Sample	Regenerative Plot	Conventional Plot
1	85	40
2	92	32
3	22	118
4	110	52
5	78	48
6	64	35
7	88	42
8	148	55
9	95	125
10	101	51

Calculate the median Soil Health Index for both the Regenerative Plot and the Conventional Plot. Show your working.

Explain why the scientist preferred to use the median rather than the mean as a measure of central tendency for this data.

Table 1: Soil Health Index scores in Regenerative and Conventional plots

Core Sample	Regenerative Plot	Conventional Plot
1	85	40
2	92	32
3	22	118
4	110	52
5	78	48
6	64	35
7	88	42
8	148	55
9	95	125
10	101	51

Calculate the median Soil Health Index for both the Regenerative Plot and the Conventional Plot. Show your working.

Explain why the scientist preferred to use the median rather than the mean as a measure of central tendency for this data.

Data handling and analysis

Question 17

Table 1: Soil Health Index scores in Regenerative and Conventional plots

Markscheme

Data handling and analysis

Question 17

Table 1: Soil Health Index scores in Regenerative and Conventional plots

Markscheme

Data handling and analysis

Question 17

Table 1: Soil Health Index scores in Regenerative and Conventional plots

Data handling and analysis Questions

Data handling and analysis

Question 17

Table 1: Soil Health Index scores in Regenerative and Conventional plots

Data handling and analysis Questions