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Chi-Square Test Quiz

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Health Sciences

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Chi-Square Test Quiz
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16 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The chi-square test is primarily used for which of the following types of data?

Continuous

Categorical

Ordinal

Interval

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which assumption is crucial for the validity of the chi-square test?

Normally distributed data

Large sample size

Homogeneity of variances

Equal intervals

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The chi-square distribution is:

Symmetrical

Positively skewed

Negatively skewed

Uniform

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The degrees of freedom (df) for a chi-square test in a 2x3 contingency table is:

1

2

3

5

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main purpose of the chi-square goodness-of-fit test?

To compare means of two groups

To examine the independence of two variables

To assess how well observed frequencies fit expected frequencies

To measure the correlation between variables

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a chi-square test, the expected frequency in each cell should ideally be at least:

1

5

10

20

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The chi-square test of independence is used to determine if:

Two categorical variables are related

Two groups have the same mean

The variance of two groups is equal

Two variables are normally distributed

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