Podcast
Questions and Answers
What is the purpose of calculating measures of central tendency and spread?
What is the purpose of calculating measures of central tendency and spread?
- To make decisions based on the data
- To identify patterns in the data (correct)
- To display data graphically
- To gather information
What is the formula to calculate the mean?
What is the formula to calculate the mean?
- Mean = Median + Mode
- Mean = Range / Number of Values
- Mean = Highest Value - Lowest Value
- Mean = (∑ Values) / Number of Values (correct)
What type of graph is used to compare parts of a whole?
What type of graph is used to compare parts of a whole?
- Line Graphs
- Pie Charts (correct)
- Histograms
- Bar Graphs
What is the difference between the highest and lowest values in a data set called?
What is the difference between the highest and lowest values in a data set called?
What type of graph is used to show changes over time and relationships between two quantities?
What type of graph is used to show changes over time and relationships between two quantities?
What is the middle value in a set of ordered data called?
What is the middle value in a set of ordered data called?
What is the primary purpose of analyzing data?
What is the primary purpose of analyzing data?
Which of the following measures of central tendency is most affected by extreme values in a data set?
Which of the following measures of central tendency is most affected by extreme values in a data set?
What is the main advantage of using a histogram over a bar graph?
What is the main advantage of using a histogram over a bar graph?
Which type of graph is most suitable for displaying the relationship between two quantitative variables?
Which type of graph is most suitable for displaying the relationship between two quantitative variables?
What is the primary limitation of using the range as a measure of spread?
What is the primary limitation of using the range as a measure of spread?
What is the main advantage of using graphical representation of data?
What is the main advantage of using graphical representation of data?
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