Quantifiable relationships within a given unit can be expressed as ____
a. ratios c. proportions
b. axes d. choices
C
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When a tire tread has scalloped or cupped wear, this is usually because the tire has been hopping up and down on the road.
Answer the following statement true (T) or false (F)
What does the process of taking a culture involve?
What will be an ideal response?
Locking the torque converter makes the vehicle less efficient to run.
Answer the following statement true (T) or false (F)
To study the effect of curing temperature on shear strength of a certain rubber compound, 80 specimens were cured at 150°C and 95 were cured at 130°C. The specimens cured at 150°C had an average shear strength of 620 psi, with a standard deviation of 20 psi. Those cured at 130°C had an average shear strength of 750 psi, with a standard deviation of 30 psi. Find a 95% confidence interval for the difference between the mean shear strengths of specimens cured at the two temperatures.
What will be an ideal response?