To be able to say with 95% confidence level that the standard deviation of a data set is within 10% of the population's standard
1 answer:
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Given:
Line P Q has points (-5, 3) and (5, 1).
Line R S has points (-4, -2) and (0, -4).
To find:
The relationship between lines PQ and RS.
Solution:
If a line passing through two points, then the slope of line is
Line P Q has points (-5, 3) and (5, 1). So, slope of line PQ is
Line R S has points (-4, -2) and (0, -4). So, slope of line RS is
Slopes of two parallel lines are equal.
They are not parallel because their slopes are not equal.
Therefore, the correct option is C.