Survey and Measurement Concepts

This video tutorial by Caitlin provides homework help for practice problems 8.1 through 8.4. It covers a survey on classmates' TV show preferences, a material strength test, a comparison of product reliability, and a detailed calculation of surface area for a staircase. Each section involves analyzing data, making predictions, and applying mathematical concepts to solve problems.

What was Lynn trying to find out from her classmates?

• Their favorite food

• Their favorite TV show

• Their favorite book

• Their favorite sport

Based on Lynn's survey, what is the likelihood of the next person saying 'no'?

• Very likely

• Somewhat likely

• Very unlikely

• Impossible

What was the highest weight the new material held before breaking?

• 1600 pounds

• 1100 pounds

• 1200 pounds

• 950 pounds

How many tests showed the material could hold more than 1000 pounds?

• Four

• Five

• Six

• Seven

Which product had a higher percentage of items lasting more than a year?

• Neither lasted more than a year

• Both had the same percentage

• Product Two

• Product One

What percentage of Product Two items lasted more than a year?

• 95%

• 85%

• 75%

• 65%

What is the formula for calculating surface area as explained in the video?

• Perimeter of base + height

• Area of base + height

• Area of base x height + perimeter of two bases

• Perimeter of base x height + area of two bases

What is the height of the prism in the staircase problem?

• 10 inches

• 25 inches

• 15 inches

• 30 inches

What is the total area of the staircase's base?

• 250 square units

• 150 square units

• 200 square units

• 300 square units

What is the final calculated surface area of the staircase?

• 3050 inches squared

• 1850 inches squared

• 2050 inches squared

• 2850 inches squared