Start learning →

Mean of n numbers x₁, x₂, ..., x_n:

AProduct
BΣ x_i / n (arithmetic mean)
CΣ x_i
DMax - Min
Answer & Solution
Correct answer: B. Σ x_i / n (arithmetic mean)
Arithmetic mean = Σxi/n. Most common measure of central tendency. Sensitive to outliers.
Practise this question with Quill — GRE →

Keep practising Statistics and Probability

Browse all Statistics and Probability questions for GRE, or explore more Mathematics topics.

Start a Statistics and Probability lesson →