Statistics C3 17/5

Statistics C3 17/5

12th Grade

8 Qs

quiz-placeholder

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Statistics C3 17/5

Statistics C3 17/5

Assessment

Quiz

Business

12th Grade

Practice Problem

Hard

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8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is the sampling technique where the population is divided into subgroups and a sample is chosen from the subgroups?

Systematic sampling

Simple random sampling

Cluster sampling

Stratified sampling

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

According to the Central Limit Theorem (CLT), what happens to the sampling distribution of the sample mean as the sample size n increases?

It becomes exponential

It becomes skewed

It becomes uniform

It approaches the normal distribution

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is the mean of sample means denoted as?

SE

μ푥̅

σ

mew

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

If the population standard deviation is unknown, what is used as an estimate?

Sample error

Sample standard deviation

Sample mean

Sample size

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is the distribution graph expected to look like according to the Central Limit Theorem (CLT) as n keeps increasing?

Uniform shape

Exponential shape

Bell shape

Skewed shape

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

How does the Central Limit Theorem (CLT) impact the accuracy of statistical analysis?

It increases the margin of error

It decreases the need for hypothesis testing

It improves the reliability of sample estimates

It has no effect on statistical calculations

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

How does the Central Limit Theorem (CLT) impact the accuracy of statistical analysis?

It increases the margin of error

It decreases the need for hypothesis testing

It improves the reliability of sample estimates

It has no effect on statistical calculations

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