Final Exam

DEGREE PROGRAM: (BSDM, BSIS, BSM, ETC.)

NAME: (Surname, First Name)

A researcher collects the test scores of all students in a school to calculate the average score. The computed mean is a:

• Statistic

• Parameter

• Variable

• Sample

• None of these

A doctor surveys 100 patients from a hospital to study their recovery rates. The group of 100 patients is a:

• Population

• Sample

• Parameter

• Statistic

• None of these

Which of the following describes inferential statistics?

• Summarizing and organizing data

• Using data to make predictions about a larger group

• Calculating an exact value from a dataset

• Listing all observations in a dataset

A researcher collects data on the marital status of individuals (single, married, divorced, widowed). This is an example of which level of measurement?

• Nominal

• Ordinal

• Interval

• Ratio

The number of hours students spend studying per week is an example of a:

• Nominal variable

• Ordinal variable

• Discrete variable

• Continuous variable

• Variable of Interest

The average height of a randomly selected group of students is 5'6". This is an example of:

• Parameter

• Statistics

• Population

• Sample

• None of these

If a survey is conducted among all students in a university, the group surveyed is the:

• Sample Size of the Population

• Statistics

• Variable

• Sample

• None of these

The difference between the highest and lowest values in a dataset is called:

• Variance

• Range

• Median

• Mean

• All of the Above