A group of 78 people enrolled in a weight-loss program that involved adhering to a special diet and to adaily exercise program. After six months, their mean weight loss was 25 pounds, with a sample standard deviation of 9 pounds. A second group of 43 people went on the diet but didn’t exercise. After six months, their mean weight loss was 14 pounds, with a sample standard deviation of 7 pounds. Find a 95% confidence interval for the mean difference between the weight losses.

What will be an ideal response?


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The rise of a segmental arch should not be less than 1? per foot of the span and the skewback should be at right angles to the arch axis. 

Answer the following statement true (T) or false (F)

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What is a triac?

What will be an ideal response?

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The term blueprint is an old term used to refer to any set of _____.? ?  

Fill in the blank(s) with the appropriate word(s).

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Most TP sensors have how many wires?

A) 1 B) 2 C) 3 D) 4

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