QUAMET Quiz

Which of the following BEST describes data visualization?

• Collecting numerical data

• Using narratives to explain data

• Representing data visually for easier analysis

• Running regression analysis

In descriptive statistics, which measure identifies the “middle” of ordered data?

• Mean

• Median

• Mode

• Range

Which type of chart is most suitable for showing changes over time?

• Pie chart

• Bar chart

• Line chart

• Scatterplot

Which level of measurement allows meaningful ratios?

• Nominal

• Ordinal

• Interval

• Ratio

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

• Mean

• Median

• Mode

• Standard Deviation

A scatterplot is most useful for:

• Showing proportions of categories

• Showing correlations between variables

• Showing time-series trends

• Showing ranks of items

What is the formula for Mean?

• (Sum of values ÷ Number of values)

• Highest – Lowest

• √Variance

• Frequency ÷ Total population

What type of data is “Student ID Number”?

• Nominal

• Ordinal

• Interval

• Ratio

Which statistical tool compares two means?

• Chi-square

• ANOVA

• t-test

• Regression

Which chart is best for showing proportions of a company’s budget?

• Histogram

• Pie chart

• Line chart

• Scatterplot