19M.2.AHL.TZ1.H_3

pestleMathematicsAIHLPaper 219M· sl-4-1-concepts-reliability-and-sampling-techniquessource ↗

The marks achieved by eight students in a class test are given in the following list.

The teacher increases all the marks by 2. Write down the new value for

the standard deviation.

Markscheme / solution

2.22 A1

[1 mark]

Examiners’ report

[N/A]