Module 12 Practice Questions (2)

Module 12 Practice Questions (2)

Assessment

Flashcard

Mathematics

University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

Student preview

quiz-placeholder

15 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What is the Chi-Square test statistic?

Back

The Chi-Square test statistic is a measure used to determine whether there is a significant difference between the expected and observed frequencies in categorical data.

2.

FLASHCARD QUESTION

Front

How is the Chi-Square test statistic calculated?

Back

The Chi-Square test statistic is calculated using the formula: χ² = Σ((O - E)² / E), where O is the observed frequency and E is the expected frequency.

3.

FLASHCARD QUESTION

Front

What does a Chi-Square contribution of 2.00 indicate?

Back

A Chi-Square contribution of 2.00 indicates that the observed count is significantly different from the expected count, contributing positively to the overall Chi-Square statistic.

4.

FLASHCARD QUESTION

Front

What is a null hypothesis?

Back

A null hypothesis is a statement that there is no effect or no relationship between variables, and it serves as a starting point for statistical testing.

5.

FLASHCARD QUESTION

Front

What is the null hypothesis in the context of gender and ear piercing?

Back

The null hypothesis states that there is no relationship between gender and ear piercing.

6.

FLASHCARD QUESTION

Front

What is an alternative hypothesis?

Back

An alternative hypothesis is a statement that indicates the presence of an effect or a relationship between variables, opposing the null hypothesis.

7.

FLASHCARD QUESTION

Front

What is the alternative hypothesis regarding gender and ear piercing?

Back

The alternative hypothesis states that there is a relationship between gender and ear piercing.

Access all questions and much more by creating a free account

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Classlink

Continue with Classlink

Clever

Continue with Clever

or continue with

Microsoft

Microsoft

Apple

Apple

Others

Others

Already have an account?