The ratio of females to males would be 12:16, but reduced it would be 3:4
The standard error of the mean is 12.
The standard error of the mean points to the standard deviation of the distribution of a sample mean obtained from a population.
The standard error S.E of the mean can be calculated by using the formula:
where;
- standard deviation
= 24 - sample size n = 4
S.E = 12
Learn more about the Standard error of the mean here:
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Step-by-step explanation:
Answer: The equation in the problem in written in slope-intercept form (i.e. y= mx + b) where the slope (m) is 4/3 and the y-intercept (b) is 6.
When lines are perpendicular, their slopes are negative reciprocals. So the slope of the line perpendicular to the one in the problem is -3/4.
The new equation for the perpendicular line will be: y = -3/4x + b
We can use the given point to determine the y-intercept for the perpendicular line by substituting x as -4 and y as -1 and solving for the y-intercept b.
y = -3/4 x + b
-1 = (-3/4)*(-4) + b
-1= 3 + b
-1 -3 = 3 + b - 3
-4 = b
So the equation of the perpendicular line is: y = -3/4 x - 4
Step-by-step explanation:
(1,4) is the x and y coordinate
