# Quiz On Categorical Data Analysis

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Questions: 10 | Attempts: 4,106  Settings  Are you ready to test your knowledge of categorical data analysis? This interesting quiz focuses on the analysis of categorical variables. Categorical Data Analysis involves the examination and interpretation of data that can be grouped into categories or labels. It explores various statistical techniques used to analyze and draw meaningful insights from categorical data. From understanding measures of association to identifying significant relationships between variables, this quiz will challenge your understanding of this essential branch of data analysis. Get ready to answer questions on techniques, tests, and concepts related to categorical data analysis and expand your expertise in this field. Read more

• 1.

### Which of the following is a categorical variable?

• A.

Gender

• B.

Object

• C.

Number

• D.

Alphabet

A. Gender
Explanation
Gender is a categorical variable because it represents a characteristic or attribute that can be divided into distinct categories or groups, such as male and female. Categorical variables are qualitative in nature and do not have a numerical value. In this case, gender is a categorical variable as it falls into two distinct categories.

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• 2.

### One technique for analyzing categorical data is

• A.

Rastar

• B.

Vector

• C.

Frequency table

• D.

None of the above

C. Frequency table
Explanation
A frequency table is a technique used for analyzing categorical data. It organizes the data into different categories and shows the frequency or count of each category. This allows for a visual representation of the distribution of the data and helps in identifying patterns or trends. By using a frequency table, one can easily compare different categories and make conclusions about the data. Therefore, the correct answer is frequency table.

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• 3.

### When analyzing categorical data, which statistical test is used to determine if there is an association between two categorical variables?

• A.

T-test

• B.

Mann-Whitney U test

• C.

Pearson correlation

• D.

Chi-square test

D. Chi-square test
Explanation
The Chi-square test is used to determine if there is an association between two categorical variables when analyzing categorical data. It compares the observed frequencies of the variables with the expected frequencies to determine if the variables are independent or dependent on each other. The test calculates a Chi-square statistic and compares it to a critical value to determine if the association is significant. This test is commonly used in fields such as social sciences, market research, and medical research to analyze relationships between categorical variables.

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• 4.

### Probability always range between...

• A.

1 and 2

• B.

0 and 1

• C.

0 and 2

• D.

None of the above

B. 0 and 1
Explanation
Probability is a measure of the likelihood of an event occurring, and it is always expressed as a value between 0 and 1. A probability of 0 means that the event is impossible, while a probability of 1 means that the event is certain to occur. Therefore, the correct answer is "0 and 1" because probability cannot exceed 1 or be negative. The other options, 1 and 2 and 0 and 2, are incorrect because they go beyond the valid range for probabilities.

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• 5.

### The risk ratio is also known as

• A.

Potential ratio

• B.

Relative ratio

• C.

All of the above

• D.

None of the above

B. Relative ratio
Explanation
The risk ratio is also known as the relative ratio because it compares the risk of an event or outcome between two groups. It is calculated by dividing the risk in one group by the risk in another group. This ratio helps to determine the relative likelihood of an event occurring in one group compared to another. Therefore, the correct answer is "Relative ratio."

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• 6.

### The probability that an event will occur divided by the probability that it'll not occur is know as

• A.

Positive

• B.

Negative

• C.

Odd

• D.

Even

C. Odd
Explanation
The probability that an event will occur divided by the probability that it will not occur is known as the odds. Odds are commonly used in gambling and statistics to express the likelihood of an event happening. It is calculated by dividing the probability of the event occurring by the probability of it not occurring. The odds can be expressed as a ratio or a fraction and are used to determine the potential payout in betting scenarios.

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• 7.

### If the probability that an event will occur is x, then the probability that it will not occur is

• A.

1-x

• B.

1+x

• C.

X-1

• D.

X+1

A. 1-x
Explanation
The probability that an event will not occur can be calculated by subtracting the probability of the event occurring from 1. This is because the sum of the probabilities of an event occurring and not occurring is always equal to 1. Therefore, the correct answer is 1-x.

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• 8.

### Which procedure is designed to analyze and display frequency data contained in a two-way table?

• A.

Pie chart

• B.

Dot plot

• C.

Contingency Tables

• D.

Frequency Table

C. Contingency Tables
Explanation
Contingency tables are specifically designed to analyze and display frequency data contained in a two-way table. They provide a way to organize and summarize categorical data by showing the frequency counts or percentages for different combinations of variables. By using rows and columns, contingency tables allow for easy comparison and identification of patterns or relationships between the variables. This makes them a useful tool for analyzing and presenting data in fields such as statistics, market research, and social sciences.

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• 9.

### Which of these is commonly used to assess how well a set of questions in a survey is set?

• A.

Item reliability analysis

• B.

Bar charts

• C.

Contingency table

• D.

Frequency table

A. Item reliability analysis
Explanation
Item reliability analysis is commonly used to assess how well a set of questions in a survey is set. This analysis helps to determine the consistency and accuracy of the questions, ensuring that they are reliable measures of the intended constructs. It involves statistical techniques such as Cronbach's alpha, which measures the internal consistency of the items, and inter-item correlations, which assess the relationships between the items. By conducting item reliability analysis, researchers can identify and eliminate poorly performing questions, improving the overall quality and validity of the survey.

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• 10.

### The Median Polish procedure constructs a model for data contained in a ____ way table.

• A.

One

• B.

Two

• C.

Three

• D.

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