exam Maths Puzzle Numerical Ability

9. When constructing a confidence interval for a population means, the value of the sample mean
a. should always be placed in the center of the interval.
b. is one-half the

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find the height of the trapezoid if the area is 60 square meters with bases of 8 and 12 meters A company recently downsized its number of employees by 35%. if there are still 78 employees, how many employees wre there prior to the layoffs?