# Ch 51: NMTA Math: Summarizing Data

These quick, entertaining video lessons cover the data summarization principles and techniques you need for the NMTA Math certification assessment. Review how to find the center of a data set as well ways to calculate measures of central tendency.

## NMTA Math: Summarizing Data - Chapter Summary

If you need help boosting your confidence with the data summarization concepts you're expected to know for the NMTA Math assessment, you've come to the right place. Short, engaging videos illustrate the following concepts:

• Fnding the center, mean, median and mode of a data set
• Methods for the visual display of data
• Dispersion and skewness in a data set
• Unimodal and bimodal distributions
• Maximum, minimum, outliers, and quartiles
• Calculating percentiles and standard deviation
• Population and sample variance

Consult the video transcripts for a second look at the most important ideas, which are presented in bold so you can find them quickly. Work through the short self-assessment after each lesson to practice summarizing data and determine whether any concepts need more review.

### Objectives of the NMTA Math: Summarizing Data Chapter

The quick, appealing videos in this chapter demonstrate the data summarization rules and methods you're expected to know for the NMTA Math certification exam. Lesson quizzes present a great opportunity to practice the techniques for better retention.

The four-hour-and-fifteen-minute NMTA Math assessment is computer administered and includes 150 selected-response questions. The exam is designed to evaluate your abilities in five areas, and the topics in this chapter are part of the statistics, probability and discrete math section. This section makes up 19% of the entire test.

13 Lessons in Chapter 51: NMTA Math: Summarizing Data
Test your knowledge with a 30-question chapter practice test
Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

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