almighty196
24.11.2021 •
Mathematics
Data on pull-off force (pounds) for connectors used in an automobile engine application are as follows:
79.4 75.1 78.2 74.1 73.9 75.0 77.6 77.3 73.8 74.6 75.5 74.0 74.7
75.9 72.3 73.8 74.2 78.1 75.4 76.3 75.3 76.2 74.9 78.0 75.1 76.8
(a) Calculate a point estimate of the mean pull-off force of all connectors in the population.
(b) Calculate a point estimate of the pull-off force value that separates the weakest 50% of the connectors in the population from the strongest 50%.
(c) Calculate the point estimate of the population variance.
(d) Calculate the point estimate of the population standard deviation.
(e) Calculate the standard error of the point estimate found in part (a).
(f) Calculate a point estimate of the proportion of all connectors in the population whose pull-off force is less than 73 pounds.
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Ответ:
they are perpendicular to each other
step-by-step explanation:
the only answer choice that isn't complete nonsense is the one shown above.
the x-axis is not the diameter of any circle.
the x-axis has no midpoint.
the x-axis has no endpoints.
a line segment joining any point and its reflected image will be perpendicular to (and bisected by) the line of reflection, no matter what that line is. you can take advantage of this fact to construct the reflected image.