Data Analysis Quiz and Flashcards for Assessment

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Questions and Answers

What is the difference between primary and secondary data?

Primary data is gathered by other individuals or agencies, while secondary data is gathered directly from an original source

Primary data is more relevant and reliable, while secondary data is less accurate

Primary data is less detailed, while secondary data provides accurate statistics used in the survey.

Primary data is gathered directly from an original source, while secondary data is gathered by other individuals or agencies. (correct)

What is the ideal number of class intervals or categories for constructing a frequency distribution?

Between 5 and 10

Between 1 and 5

More than 15

Between 3 and 15 (correct)

What is the basis of the bars in a histogram?

The x-axis (correct)

The frequency of the data points

The y-axis

The midpoint of the class interval

What is the ideal number of classes for constructing a frequency distribution?

3-15 classes Signup and view all the answers

When constructing a frequency distribution, what should be the relationship between the number of classes and the size of the class interval?

The number of classes should be greater than the size of the class interval Signup and view all the answers

Which of the following is NOT a method of collecting data?

Analysis method Signup and view all the answers

What is the range of a set of data if the highest value is 50 and the lowest value is 10?

40 Signup and view all the answers

What is the formula for cumulative frequency?

CUMF = N – frequency Signup and view all the answers

What does planning a study involve?

All of the above Signup and view all the answers

What is the recommended number of classes for a series with 50-100 cases?

10-15 classes Signup and view all the answers

What is the purpose of a frequency polygon?

To represent data using a line graph Signup and view all the answers

What is the maximum number of classes recommended for a series with more than 100 cases?

15 classes Signup and view all the answers

What are the different types of questions?

Structured and unstructured/open-ended questions Signup and view all the answers

What makes a good questionnaire?

Short and clear questions Signup and view all the answers

What are the different sampling techniques?

Random sampling and lottery sampling Signup and view all the answers

What do graphs do?

Summarize and show visually what would have been expressed in words Signup and view all the answers

Study Notes

There are two types of data: primary and secondary.
Primary data is gathered directly from an original source, while secondary data is gathered by other individuals or agencies.
Primary data is more relevant, reliable, and gives detailed definitions of terms and accurate statistics used in the survey.
There are different methods of collecting data, including direct/interview, indirect/questionnaire, registration, observation, and experiment methods.
Planning a study involves estimating the number of items in the population, assessing resources, determining sample size, picking samples, and preparing questions.
There are different types of questions, including structured and unstructured/open-ended questions.
Good questionnaires have short and clear questions, avoid leading questions, and limit questions to essential information.
Sampling techniques include random sampling, lottery sampling, and direct selection method.
Collected data can be presented in textual, tabular, or graphical form.
Graphs are pictures of numerical data that summarize and show visually what would have been expressed in words.

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Description

Test your knowledge of data collection and survey methodology with this informative quiz! From primary and secondary data to the different methods of collecting data and sampling techniques, this quiz covers everything you need to know about planning and conducting a study. Learn about the different types of questions, how to create a good questionnaire, and how to present your data in the most effective way. Sharpen your skills and become a pro at analyzing and interpreting data with this quiz!