# Organizing and Interpreting Data Worksheets

How to Organize and Interpret Data - Teachers greatly emphasize on the importance of collection and display of data. It is because this is frequently used in our daily lives. From an accounting firm to a multi-national company, everyone has to organize and interpret data at some point. It is important to our lives. There are a number of ways you can organize and interpret data. But before you do that, let us get started by understanding what data is. Well, it is a collection of information that is extracted from facts, statistics, numbers, characteristics, observations, and measurements. When talking about data there are two types of data that we might have to deal with in life and these include quantitative and qualitative data. So, before you organize data, you need to know how you can effectively gather data. There are several ways to obtain and analyze data. Researchers use surveys, focus groups, interviews, and questionnaires to do that. These are phenomenal tools that can help you gather data efficiently. The best way to represent the gathered data is through graphs and charts. Tallies and frequencies are excellent option to organize data. Pie charts, line graphs, stem and leaf graphs, bar graphs histograms are smart ways to organize data.

• ### Basic Lesson

Introduces the use of tally charts to organize 3 sets of data. The height (cm) of 15 students in a class are: 145,155,137,164,155, 150,160,164,140,142. Complete the charts showing tally, frequency. For Tally: Read each value and put a horizontal bar in the interval in which that value lies. For Frequency: Count the number of bars and write the number against each column.

• ### Intermediate Lesson

This lesson focuses on box-and-whisker plots. According to the box-and-whisker plot shown above, answer: What is the first quartile? The first quartile is the middle (the median) of the lower half of the data. One-fourth of the data lies below the first quartile and three-fourths lies above. It is also known as the 25th percentile. In this example, the number 10 is the first quartile. This is visualized as the far left corner of the rectangle in the boxand-whisker plot.

• ### Independent Practice 1

Students practice with 20 Organizing & Interpreting Data problems. The answers can be found below. The rainfall in an area was measured (to the nearest millimeter) for twenty days and recorded as follows.

• ### Independent Practice 2

Another 20 Organizing & Interpreting Data problems. The answers can be found below. Mary spent \$800 as shown in the graph. How much of the total money, to the nearest dollar, is spent on the following things?

• ### Independent Practice 3

Students practice organizing data with 20 Organizing & Interpreting Data problems.

• ### Independent Practice 4

Offers a really great variety of Organizing & Interpreting Data problems.

• ### Homework Worksheet

Reviews all skills in the unit. A great take home sheet. Also provides a practice problem.

• ### Skill Quiz

10 problems that test Organizing & Interpreting Data skills.

• ### Homework and Quiz Answer Key

Answers for the homework and quiz.