Overall Introduction to Stat

Which branch of statistics deals with drawing conclusions about the population based on the data from the sample?

• Analytical Statistics

• Predictive Statistics

• Descriptive Statistics

• Inferential Statistics

What is the level of measurement that ranks data and has precise differences between units of measure but no meaningful zero?

• Nominal Level

• Ordinal Level

• Interval Level

• Ratio Level

Which variable type can take on any value within a certain range or interval?

• Qualitative Variable

• Continuous Variable

• Discrete Variable

• Ordinal Variable

Which of the following variables is considered qualitative and measured at the nominal level?

• Customer satisfaction score

• Product category

• Annual revenue

• Employee age

A company tracks the number of customer complaints received each month. What type of variable is this, and what is its level of measurement?

• Qualitative; Nominal

• Quantitative; Interval

• Quantitative; Ratio

• Qualitative; Ordinal

A company surveys employees about their department (e.g., Marketing, Sales, HR). What type of variable is this, and what is its level of measurement?

• Quantitative; Ratio

• Qualitative; Nominal

• Qualitative; Ordinal

• Quantitative; Interval

In a marketing survey, respondents are asked to rank their preferred advertising methods from 1 to 5. What type of variable is this, and what is its level of measurement?

• Qualitative; Nominal

• Qualitative; Ordinal

• Quantitative; Interval

• Quantitative; Ratio

The average number of hours employees work each week is recorded. What type of variable is this, and what is its level of measurement?

• Qualitative; Ordinal

• Quantitative; Interval

• Quantitative; Ratio

• Qualitative; Nominal

Which of the following variables represents a qualitative measure at the ordinal level?

• Product price

• Employee tenure (e.g., less than 1 year, 1-3 years, 4-6 years)

• Number of sales transactions

• Annual profit

A company records whether a customer prefers online or in-store shopping. What type of variable is this, and what is its level of measurement?

• Quantitative; Ratio

• Qualitative; Nominal

• Quantitative; Interval

• Qualitative; Ordinal