Sampling Distributions and Variability Concepts

Sampling Distributions and Variability Concepts

Assessment

Interactive Video

Mathematics

9th - 10th Grade

Hard

Created by

Thomas White

FREE Resource

The video tutorial explains sampling variability and sampling distribution, focusing on how sample means can estimate population means. It discusses the concept of sampling distribution and simulates a class activity to demonstrate sampling variability. The video also analyzes sample proportions and simulates sampling distributions, concluding with a practical example.

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9 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main focus of the video tutorial?

Hypothesis testing

Regression analysis

Probability theory

Sampling variability and distribution

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why might two random samples from the same population differ?

Because they are taken at different times

Due to the selection of different individuals

Because the population changes

Due to measurement errors

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of taking multiple samples?

To increase the sample size

To reduce the cost of sampling

To understand sampling variability

To avoid bias in data collection

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the class activity, what was the parameter of interest?

The size of the sample

The number of students

The proportion of red chips

The total number of chips

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was the mean of the sample proportions in the pretend example?

0.5

0.499

0.6

0.4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a sampling distribution?

A distribution of errors in sampling

A distribution of population data

A distribution of a single sample

A distribution of all possible sample means

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many samples were used in the simulation of the sampling distribution?

500

100

1000

35

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