NZ Level 8 (NZC) Level 3 (NCEA) [In development]

Standardisation and quantiles

Dylan scored $90%$90% with a $z$`z`-score of $2$2 in English, and $78%$78% with a $z$`z`-score of $4$4 in mathematics.

In which subject was his performance better, relative to the rest of his class?

English

A

Mathematics

B

English

A

Mathematics

B

Easy

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Investigate situations that involve elements of chance: A calculating probabilities of independent, combined, and conditional events B calculating and interpreting expected values and standard deviations of discrete random variables C applying distributions such as the Poisson, binomial, and normal

Apply probability distributions in solving problems