I an Estimate of the Population Mean Based on a Large

question 77

Multiple Choice

i. An estimate of the population mean based on a large sample is less reliable than an estimate
Made using a small sample.
ii. The standard error of the mean will vary according to the size of the sample that is in the
Denominator. As the sample size n gets larger, the variability of the sample means gets smaller.
iii. To determine the value of the standard error of the mean, the total error is divided by the sample
Size.

• A) (i), (ii), and (iii) are all correct statements.
• B) (i) is a correct statement, but not (ii) or (iii).
• C) (ii) is a correct statement, but not (i) or (iii).
• D) (ii) and (iii) are correct statements but not (i).
• E) (i), (ii), and (iii) are all false statements.

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Definitions:

Fraternal Birth-Order Effect

A phenomenon suggesting that a male child's chances of being homosexual increase with the number of older brothers he has.

Homosexual

Referring to individuals who are sexually attracted to members of the same sex.

Mental Rotation Tasks

Cognitive tests that measure an individual's ability to mentally rotate 2D and 3D objects, assessing spatial visualization ability.

Straight Males

Men who are romantically and sexually attracted exclusively to women.