Untitled Quiz

Untitled Quiz

University

15 Qs

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Untitled Quiz

Untitled Quiz

Assessment

Quiz

Engineering

University

Practice Problem

Easy

Created by

Mig Tolentino

Used 4+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a sampling distribution?

A distribution of individual data points

A distribution of sample statistics

A distribution of population parameters

A distribution of residual errors

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following sample statistics typically forms a sampling distribution?

Sample mean

Sample standard deviation

Sample proportion

All of the above

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the Central Limit Theorem (CLT) state?

The population mean and sample mean are always the same.

The sampling distribution of the sample mean approaches a normal distribution as sample size increases.

The sample variance equals the population variance.

The median is always a reliable measure of central tendency

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a sample size increases, the standard error of the mean will:

Decrease

Stay constant

Become negative

Stay constant

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a point estimate of a population parameter

Confidence interval

Sample variance

Standard error

Margin of error

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The standard error of the mean is defined as:

The standard deviation of the sample divided by the square root of the sample size

The square root of the sample variance

The median of the sample values

The difference between the sample mean and population mean

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What assumption is typically made when using the t-distribution for parameter estimation?

The sample size is greater than 30

The data follows a normal distribution

The population variance is known

The population mean is zero

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