Tech2863

Assignment 6 (30 points)

This assignment is based on chapter 7.

1. The tensile strength of five steel pipes is measured as 34.4, 34.40, 34.39, 34.42, and 34.50 MPa. Compute the average tensile strength and express your answers in the appropriate number of significant figures. (5 points) 

1. The following data were recorded during an experiment. Graph the data using the basic principles outlined in the text. (10 points)

Revolutions per Minute (RPM) of Pump Gallons per Minute (GPM) of Pump Output

 0    0  

100   0.5 

220  1.4 

310   2.6 

400   4.2

498   6.0

1. Using interpolation in question 5, find the pump output at 250 RPM. (5 points)

1. Last month there was a Marathon race in California. Only 5 participants were able to complete the race. Their race timings were:2.7hr,3.7hr,4.1hr,2.5hr and 3.6hr. What was the median race time? (5 points)

1. Last month there was a Marathon race in California. Only 5 participants were able to complete the race. Their race timings were:2.7hr,3.7hr,4.1hr,2.5hr and 3.6hr. What was the median race time? (5 points)