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kow [346]
2 years ago
13

The table displays the mean for seven random samples. Sample Sample Mean 1 23.2 2 26.7 3 24.9 4 24.6 5 28.0 6 26.3 7 23.4 Which

value is the best estimate of the mean of the population? 22.9 24.2 28.2 29.1
Mathematics
2 answers:
madam [21]2 years ago
6 0

Answer:

24.2 B

Step-by-step explanation:

This is right on edge

alukav5142 [94]2 years ago
4 0

Answer:

24.2

Step-by-step explanation:

I took the quiz and got it right

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Jane has a pre-paid cell phone with Splint. She can't remember the exact costs, but her plan has a monthly fee and a charge for
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Answer:

The costs of the plan are $0.15 per minute and a monthly fee of $39

Step-by-step explanation:

Let

x ----> the number of minutes used

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step 1

Find the slope of the linear equation

The formula to calculate the slope between two points is equal to

m=\frac{y2-y1}{x2-x1}

we have the ordered pairs

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substitute

m=\frac{138-54}{660-100}

m=\frac{84}{560}=\$0.15\ per\ minute

step 2

Find the equation of the line in point slope form

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substitute

y-54=0.15(x-100)

step 3

Convert to slope intercept form

Isolate the variable y

y-54=0.15x-15\\y=0.15x-15+54\\y=0.15x+39

therefore

The costs of the plan are $0.15 per minute and a monthly fee of $39

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The cost of one can of soda if 6 cans cost n
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Answer

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