In a sample of 90 large grade A eggs, the mean number of calories was 70 with a standard deviation of 2.5. In a sample of 85 large grade AA eggs, the mean number of calories was 80 with a standard deviation of 2.7. Find a 98% confidence interval for the mean difference in the number of calories between grade AA and grade A eggs.
What will be an ideal response?
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If the G-code is G21 G90 F6 G01 Z1.00:
A. The spindle will move at a rate of 6 inches per minute to a point where z = 1.00 in. B. The spindle will move at a rate of 6 inches per minute for a distance of 1.00 in. C. The spindle will move at a rate of 6 millimeters per minute to a point where z = 1.00 mm D. The spindle will move at a rate of 6 millimeters per minute for a distance of 1.00 mm
Multi-view drawings are often called ____-view drawings.
A. two B. three C. four D. five
Which pipe is most commonly used in radiant heating systems?
A. PEX B. PVC C. CPVC D. ABS
To identify and assess hazards, it is essential that employers _____
a. ensure that crew leaders are present at the job site b. conduct inspection of contractor offices c. design safety logs d. conduct accident investigations