2. Open the Navajo Women dataset. In this dataset, Body Mass Index (BMI) and a number of other variables are recorded for 768 randomly selected Navajo Indian women. a. Using Minitab, test at the 3% level whether the average BMI of Navajo women is less than 33. (Hint: 1-sample t) State your conclusion in terms of the data.

Line joining liquid phase with liquid and solid phase mixture is known as: a) liquidus b) solidus c) tie line d) none of the mentioned

The power source in a certain welding setup generates 3500w that is transferred to the low carbon steel work with a heat transfer factor of 0.85. the melting factor in the operation is 0.45. a continuous fillet weld is to be made with a cross-sectional area of 23 mm2 determine the travel speed at which the welding can be accomplished.

Which one of the following faults cause the coffee in a brewer to keep boiling after the brewing cycle is finished? a. an open circuit in the heating element b. a short circuit at the terminals c. welded contacts on the thermostat d. a leak around the gasket