Random Samples of Size 49 Are Taken from a Population

question 53

Multiple Choice

Random samples of size 49 are taken from a population that has 200 elements, a mean of 180, and a variance of 196. The distribution of the population is unknown. The mean and the standard error of the distribution of sample means are _____.

• A) 180 and 24.39
• B) 180 and 28
• C) 180 and 1.74
• D) 180 and 2

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Definitions:

Increased Interest

A heightened level of attention, curiosity, or enthusiasm towards a particular subject or activity.

Unsupported

Lacking evidence, assistance, or foundation; not backed up by facts or help.

Learning Disability

A neurological disorder that affects a person's ability to understand, process, and communicate information, often impacting reading, writing, and mathematical skills.

Midsections

Refers primarily to the middle part of the human body, often focusing on the abdominal area but can also relate to the central part of any object or entity.