Among a Simple Random Sample of 12 Students Selected from One

question 17

Multiple Choice

Among a simple random sample of 12 students selected from one college, the mean number of siblings is 1.3 with a standard deviation of 1.1. Construct the 95% confidence interval estimate of the population mean.

• A) \(1.1 < \mu < 1.5\)
• B) \(0.66 < \mu < 1.9\)
• C) \(10.1 < \mu < 13.9\)
• D) \(1.0 < \mu < 1.6\)

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Definitions:

Basic Mathematics Test

An assessment designed to gauge an individual's understanding of fundamental mathematical concepts and skills.

Mean Driving Times

Refers to the average amount of time spent driving, calculated by summing all individual driving times and dividing by the total number of drives.

Population Distributions

Refers to the distribution of values, traits, or characteristics of an entire population.

Significance Level

The threshold chosen by a researcher which determines the probability of rejecting the null hypothesis when it is actually true, often denoted by alpha (α).