A Manufacturer of Heaters Wants to Determine If the Height

question 96

Multiple Choice

A manufacturer of heaters wants to determine if the height of the heater warms a room more quickly.Four different heights were studied.The shortest heater group had n=12 with an average time to heat the room of 15.9 minutes.The tallest heater group had n=10 with an average time to heat the room of 17.3 minutes.Using an alpha of 0.01, MSE of 2.88, and N=44, what would be the result of the Tukey-Kramer formula?

• A)4.70
• B)2.01
• C)1.24
• D)1.40
• E)2.41

---

Definitions:

Sample Size

The number of observations or data points collected in a statistical study.

Defective Items

Products that fail to meet quality standards.

Own a Car

Refers to the possession or ownership of an automobile by individuals or households.

Standard Deviation

A metric that quantifies how spread out a dataset is around its average, determined by taking the square root of the variance.