Recall that the formula for the circumference of a circle is C = 2piR. The radius is 3 (half of 6, the diameter). 2*pi*3 is 6pi, which is approximately 19 inches.
Answer:
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A. yes this is a statistical question. it is a statistical question because you can answer the question by collecting data.
b. some clusters are.. 3,4,5, and 6 they are clusters because they are assembled around a particular value. the peak is 6 because it is the highest number it reaches. there are no gaps in this table.
c. to calculate the average with a graph you sum the numbers then divide by the total number of values in the set. for this table you add 1+2+3+3+4+4+4+5+5+5+5+5+5 then you divide by 15.
1+2+3+3+4+4+4+5+5+5+5+5+5=51
51 ÷ 15= 3.4
Answer:
Kindly check explanation
Step-by-step explanation:
Given the data:
Age(x)
7
8
5
8
8
7
7
7
9
8
5
8
6
5
8
Height (Y)
47.3
48.8
41.3
50.4
51
47.1
46.9
48
51.2
51.2
40.3
48.9
45.2
41.9
49.6
The estimated regression equation:
ŷ = 2.73953X + 27.91395
Where ;
X = independent variable
ŷ = predicted or dependent variable
27.91395 = intercept
C.) To obtain the variation in sample values of height estimated by the model, we obtain the Coefficient of correlation:
Using the online pearson correlation Coefficient calculator :
The correlation Coefficient is 0.9696.
which means that the regression model estimated in part (b) explains approximately (0.9696 * 100) = 96.96% = 97% of the variation in the height in the sample.
Answer:
<em>A. k=-2</em>
Step-by-step explanation:
<u>Interpretation Of Graphs
</u>
Very useful information can be obtained from simple inspection to the graph of functions. Though the are meant only to provide general information, specific details can help us to model reality
We are given the condition that g(x)=k.f(x). It means that every value of g(a) is the result of the value of f(a) by a constant. We can see the following points in the graph: g(-5)=2, f(-5)=-1. g(-3)=-2, f(-3)=1. If we divide g/f for each point we get
g(-5)/f(-5)=-2
g(-3)/f(-3)=-2
It means that g(x)=-2f(x), the constant is k=-2
