# Ch 19: Cambridge Pre-U Mathematics: Interpreting Data

Watch these lessons to improve your understanding of measurements of central tendency, visual representations of data, data range and standard deviation as you prepare for related questions on the Cambridge Pre-U Mathematics exam.

## Cambridge Pre-U Mathematics: Interpreting Data - Chapter Summary

Through these short, engaging lesson videos, you may review the concept of the center in a data set, the statistics used to represent it, different measures of variability from the center and the range of a data set. Each lesson is taught by an expert instructor who will explain these concepts as well as the equations used to find their quantitative values. Once you've studied the material, you should have a better understanding of:

• The mean, median and mode of a data set
• Using visual presentations to describe the shape of a data set
• The variability and skewness of data
• Differences between unimodal and bimodal data sets
• Outliers and the maximum and minimum values of a data set
• Quartiles and interquartile range
• Percentiles of data sets
• Standard deviation, variance and how to calculate them
• Purposes of linear transformations on data sets
• The contrasts between sample variance and population

To fortify your understanding of these lessons, read the transcripts and then take the quizzes. Following your completion of the lessons and quizzes of this chapter, complete the practice chapter exams to ensure that you've properly comprehended the mathematical concepts listed above.

13 Lessons in Chapter 19: Cambridge Pre-U Mathematics: Interpreting 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

### Earning College Credit

Did you know… We have over 160 college courses that prepare you to earn credit by exam that is accepted by over 1,500 colleges and universities. You can test out of the first two years of college and save thousands off your degree. Anyone can earn credit-by-exam regardless of age or education level.