A population is bimodal. One hundred samples of size 30 are randomly collected and the 100 sample means are calculated. The distribution of these sample means is:

The correct answer is D. approximately normal. See the full explanation below for the reasoning.

Measure Phase

Question

Options

Abimodal
Bapproximately exponential
Capproximately Poisson
Dapproximately normal
Eapproximately uniform

How the community answered

(49 responses)

A
2% (1)
B
2% (1)
C
10% (5)
D
80% (39)
E
6% (3)

Topics

#central limit theorem#sampling distribution#sample means#normal distribution

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