A cone has a diameter of 7.5 ft and a height of 4.25 ft. What is the volume of the cone to the nearest tenth? Use 3.14 for π.
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Answer:
Part a
The regression equation is,
Part b
The number of crimes for a city at 20 police officers was appointed is approximately 10.
Step-by-step explanation:
<u>x y xy x² y²</u>
15 17 255 225 289
17 7 119 289 49
17 13 221 289 169
12 21 252 144 441
25 5 125 625 25
11 19 209 121 361
27 7 189 729 49
22 6 132 484 36
146 95 502 2906 1419
Therefore,
The calculation of the intercept coefficient is as follows:
The regression equation is,
b)
The calculation is as follows:
≅ 10
The number of crimes for a city at 20 police officers was appointed is approximately 10.
The number of crimes for a city at 20 police officers was appointed is approximately 10.
That is, the number of polices increases then the number of crimes will be decreases.