What is the science of collecting, organizing, analyzing, and presenting data?

• Frequency Table

• Graphic Presentation

• Histogram

• Statistics

Which refers to a specific factor, property, or characteristic of a population or a sample that differentiates a sample or group of samples from another group?

• Parameter

• Sample

• Statistic

• Variable

Which refers to the process of obtaining information?

• Analysis of data

• Collection of data

• Interpretation of data

• Organization of data

Which of the four levels of measurement is used when a judge rates some presentations as “good”?

• Interval

• Nominal

• Ordinal

• Ratio

Which table lists items and uses tally marks to record and show the number of times data values occur?

• Frequency Table

• Graphic Presentation    

• Histogram

• Statistics

What method is referred to as the indirect method of gathering data because it makes use of written questions to be answered by the respondent?

• Interview    

• Observation

• Questionnaire

• Experimentation

Which graph shows trends in data clearly and displays data that is collected over a period of time to show how the data changes at regular intervals?

• Bar graph

• Histogram

• Line graph

• Pie chart

In a distribution of data, which is simply the score that occurs most frequently?

• Mean

• Median

• Mode

• Range

What is the most widely used measure of central tendency? It is technically defined as the sum of all the data scores divided by n (the number of scores in the distribution).

• Mean

• Median

• Mode

• Range

Which value cuts the distribution exactly in half, such that an equal number of scores are larger than that value as there are scores smaller than that value?

• Mean

• Median

• Mode

• Range