frequency distribution
Ford motors issued a recall of all airbags on their Ranger pickups, citing the chance of serious injury or death due to faulty barriers between the exposive components and the bag components of the airbags.
data 102 home index > population proportions

Population proportions

Learning objectives

  1. Explain the difference between a population and a sample parameter
  2. Use probability estimating devices to produce a set of sample proportions. Visualize these sample statistics in Lock5 Stats to reveal the central limit theorem.

bookExternal Resources

arrow_upward back up to contents


motorcycleModeling sample proportions

Exercise type: Interactive data gathering activity

  1. Simulate the explosions of airbags using dice and the Lock5 stats tool
  2. Recreate the vehicle airbag sample test data spreadsheet either on paper or a spreadsheet

Download the raw data pictured below.

airbag explosions

Your task:

As managers, you must prioritize a single location to begin the replacements. Which location do you recommend to management to start in first? Create a quantitative rationale for your response, including the expected cost of replacements, the expected cost of settling cases of exploded airbags that were not replaced.

arrow_upward back up to contents