A Manufacturer of Heaters Wants to Determine If the Height

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, would the research find evidence of a significant difference in these brands?

A) Yes, as the difference in the means is larger than the critical value
B) No, as the critical value is smaller than the overall sample size
C) Yes, as the difference in the means is smaller than the critical value
D) No, as the difference in the means is larger than the critical value
E) No, as the difference in the means is smaller than the critical value