Question Bank: Understanding Data

What is the primary purpose of collecting data?

Which term refers to a single piece of data?

What process is conducted to collect data about a population?

Which of the following is NOT a type of data mentioned in the chapter?

Why is processed data crucial for making decisions?

Which of the following best describes data?

What is the role of ICT in data generation?

In the context of data storage, what is an electronic form?

What can censuses help governments do?

Which statement about data processing is FALSE?

What characterizes qualitative data?

Which of the following is a method to analyze data?

What challenge might arise from the rapid generation of data?

Which factor does NOT contribute to data quality?

What is the primary purpose of data collection?

Which format is typically used for structured data?

What is an example of unstructured data?

What is metadata?

Which of the following is NOT a step in the data collection process?

Census data is primarily used for which of the following reasons?

When might a business collect qualitative data?

What method would be most appropriate for collecting data on public opinion?

Which scenario involves secondary data collection?

What is the first step in the data processing cycle?

Which tool is commonly used for data collection in surveys?

What is a potential drawback of questionnaires?

In data collection, what does the term 'sampling' refer to?

Which of the following best represents quantitative data?

What does 'data hygiene' refer to in data collection?

What is the main goal of data validation?

What does data storage primarily involve?

Which of the following is a characteristic of a Solid State Drive (SSD)?

What type of data can be stored on a CD/DVD?

What is a primary advantage of using a database management system (DBMS) over file processing?

What storage device is best suited for high-speed data transfer?

Which of the following is NOT a digital storage device?

Why is data compression important in storage?

What type of data is typically analyzed in a census?

What is the primary purpose of data processing?

Which storage device allows for the largest capacity at a reasonable cost?

Which of the following is NOT a measure of central tendency?

How does a Tape Drive primarily store data?

What does the median represent in a set of data?

What is the primary disadvantage of using floppy disks?

When is the mean a less suitable measure of central tendency?

Which of the following storage devices is most commonly used for transferring files between computers?

What is the first step of the data processing cycle?

In terms of data organization, what is a file system?

Which statistical technique would be most appropriate for finding the most common score in a set of test results?

What is data redundancy?

In a data set of numbers, what does the range represent?

What is the main challenge of big data storage?

Why is it important to consider the characteristics of data when choosing a measure of central tendency?

What is the purpose of using cloud storage?

What is an outlier in a data set?

How can data integrity be compromised?

Which measure is best suited to summarize income levels between two distinct populations?

How do you calculate the standard deviation?

Which of the following is the best description of the term 'data collection'?

Which statistical method is best to assess average performance of students across varying subject scores?

What type of data does a census typically collect?

What is the significance of using statistical techniques in data analysis?

What is the mean of the following data set: [5, 10, 15, 20]?

For the data set [12, 15, 12, 18, 20], what is the mode?

Which measure of central tendency is affected the most by outliers?

How do you calculate the median of the data set [3, 5, 7, 9, 11]?

In a dataset of [2, 4, 4, 6, 8], what is the range?

What will be the median of the dataset [7, 3, 9, 5, 1]?

If the standard deviation of a dataset is high, what does it indicate?

In the dataset [1, 1, 2, 3, 4, 5, 5], which values are considered mode?

When calculating the mean, how should outliers be treated?

What does a median represent in a data set?

For which scenario should you prefer using the median instead of the mean?

What does a lower standard deviation signify about the dataset?

When is the mode particularly useful in a dataset?

What is the effect of outliers on the median?

In the application of data analysis, why is it necessary to process data before making decisions?

When comparing two datasets with the same mean, how can we determine their variability?