7th Grade Math Chapter 10 Review Challenge

This video is a review for 7th graders on Chapter 10, focusing on lessons 10.1 and 10.2. It covers topics such as populations, samples, and determining if a sample is random or biased. The video also discusses how to make predictions based on samples and identify biased or representative questions. Students are encouraged to practice these concepts in preparation for their module assessment.

What is the main focus of lessons 10.1 and 10.2 in the video?

• Geometric shapes and their properties

• Advanced algebraic concepts

• Biases in questions and samples

• Random sampling techniques

Why is Paulo's sample considered biased?

• He only surveyed his friends

• He surveyed too many students

• Students were surveyed in front of a teacher

• The sample size was too small

What makes Veronica's sampling method biased?

• Surveying outside a Mexican restaurant

• Asking too few people

• Asking only her friends

• Surveying during a festival

In the video, which sample was considered random?

• Paulo's student survey

• Veronica's restaurant exit poll

• Company's computer-generated list

• None of the above

What does a representative question ensure?

• It is lengthy and detailed

• It is short and simple

• It avoids leading to a particular answer

• It includes complex vocabulary

Which question about violent crime was labeled as biased?

• Asking about increasing or decreasing crime rates

• Query on locking people up longer

• Both of the above

• None of the above

What does a biased question typically involve?

• Neutral wording

• Multiple choice options

• Statistical data

• Emotional language

How should you handle a repeating decimal in proportions?

• Simplify the fraction first

• Ignore the decimal part

• Round it to the nearest whole number

• Use a calculator for precision

What is the estimated number of people likely to find a mispriced item based on the sample?

• 10

• 9

• 8

• 7

What is the estimated number of hawks building nests based on the sample?

• 400

• 700

• 500

• 600