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ehidna [41]
3 years ago
15

Suppose that a customer is purchasing a car. He conducts an experiment in which he puts 10 gallons of gas in the car and drives

it until it runs out of gas.
He conducts this experiment 15 times on each car and records the number of miles driven.

Car1
232 243 219 208 242
268 284 174 285 251
163 307 281 307 289

Car2
243 205 244 217 258
257 203 286 245 253
275 250 259 281 265

a. Describe each data set, that is determine the shape, center, and spread

i. Sample mean for Car 1

ii. Sample mean for Car 2
Mathematics
1 answer:
True [87]3 years ago
6 0

Answer:

mean = 250.2

mean =  249.4

Step-by-step explanation:

given data

experiment =  15 times

solution

we get here mean that is express as

mean = \frac{\sum x }{n}      ............1

so mean for cart 1 is

mean =  \frac{232+ 268 + 163+ ....+ 289}{15}

mean = 250.2

and

mean for cart 2

mean =  \frac{243+ 257 + 257 + ....+ 265}{15}  

mean =  249.4

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3 years ago
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alekssr [168]

First Question is boolean,

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3 years ago
Write the equation of a line through (-1,-5) parallel to 3x-y=5, and in slope intercept form
MAXImum [283]

Answer:

y =3 x

Step-by-step explanation:

The standard equation of a line in point slope form is expressed as;

y -y0 = m(x-x0)

m is the slope

(x0, y0) is the point on the line

Given the line 3x - y = 5

Get the slope

- y = -3x + 5

y = 3x - 5

Slope m  = 3

Substitute m = 3 and (-1, -5) into the given formula

y - (-5) = 3(x-(-1))

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3 years ago
Please answer correctly !!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!!!
Contact [7]

Answer:

Step-by-step explanation:

BF = 24

BH = ?

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4 0
3 years ago
Determine whether the point (1, 5) is a solution to the system of equations. Explain your reasoning in complete sentences. graph
sergejj [24]
According to your text first equation is 
y = 3x+2
second equation is 
y = Ix-1I + 1

Definition of our absolute value Ix-1I is
1) we take x-1 with condition x-1≥0 => x≥1
2) we take -(x-1) = -x+1 with x<1

Let's form the first system with condition x≥1
y= 3x+2 and y=x-1+1=> y=x
If the left sides of the equations are equal, than the right sides are equal too
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This solution we can't accept because it does not meet the condition 
x≥1
Lets's form the second system with condition x<1
y=3x+2 and y= -x+1+1 =. y = -x+2
In the same way as previous the right sides are equal =>
3x+2=-x+2 => 3x+x = +2-2 => 4x=0 => x=0
We accept this solution bacause  its meet with condition x<1
When we replace this solution in equation y=3x+2 we got
y=3*0+2=2 Only one solution is (x,y) = (0,2)
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4 years ago
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