Answer: 30.2
Explanation:
The mean is calculated by taking the sum of the values and dividing by the count.
For instance, for the 6 women, with the mean being 31, we can see that the ages summed to 186:
186
6
=
31
And we can do the same for the men:
116
4
=
29
And now we can combine the sum and count of the men and women to find the mean for the office:
186
+
116
10
=
302
10
=
30.2
Step-by-step explanation:
So we can get pairs
(x,y)
we have
(-3,-3)
(7,-3)
(7,2)
so list known ones
x=-3,7,7
y=-3,-3,2
we find pairs
x=7 and 7
y=-3 and -3
the missing one is another -3 for x and 2 for y
therefor the last point is
(-3,2)
The value of test statistic is 5.45
Data;
- n1 = 25
- n2 = 30
- x1 = 6.2
- x2 = 3.8
- s1 = 2
- s2 = 1
<h3>Test Statistic</h3>
The formula to calculate the test statistic is given as
Let's substitute the values and solve for t
The value of test statistic is 5.45
Learn more on test statistic here;
brainly.com/question/15980493
Answer:
The vertex of a parabola is found by
'h' position = -b / (2 * a) = 0 / 2 * -4 = 0
'y' position = ah^2 + bh + c = -4*0 + 0 -20
vertex = (0, -20)
Step-by-step explanation:
Answer: In math, especially when learning algebra and geometry, you are more likely to a lot of deductive reasoning. That is the process of using theorems, properties of numbers and other recognized rules and procedures to solve equations, to prove geometrical constructions, congruence of angles, etc. Deductive reasoning is the foundation of most of that kind of math, so it is more important when learning and applying the principles and theorems.
Inductive reasoning involves taking specific observations and known facts and using them to make predictions and generalizations. You are more likely to use inductive reasoning when working with statistics and probability.
So both are important at some point, but it may be more important to learn deductive reasoning at first.
