Establishing the properties of materials is an important pro

Establishing the properties of materials is an important problem in identifying a suitable substitute for biodegradable materials m the fast-food packaging industry Consider the following Minitab data on product density (g/cm^3) and thermal conductivity K-factor (W/mK) published in Materials Research and Innovation (1999. pp 2-8) Find the thermal conductivity given that the product density is 0 2350 The upper and lower control limits on a control chart are

Solution

24)

Thermal Conductivity = 0.0249 + 0.129 *Product Density

= 0.0249 + 0.129 * 0.2350

= 0.05522 Answer C

25)

Answer A. Expected variations among individual products.