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lara31 [8.8K]
3 years ago
11

Find the slope given the ordered pairs: (-3,-2) and (-3,-5)

Mathematics
1 answer:
Mademuasel [1]3 years ago
5 0

Step-by-step explanation:

- 2 -  - 5 \\

\div  - 3 -  - 3

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Listed below are pulse rates​ (beats per​ minute) from samples of adult males and females. Does there appear to be a​ difference
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There appears to be a difference between the pulse rates from samples of adult males and females. The average pulse rate of males is 63.75 while that of females is 75.875.

Coefficient of Variation (male) = 33.44%

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Step-by-step explanation:

Mean (male) = \frac{sum of x}{n} =\frac{1020}{16} =63.75

Mean (female) = \frac{sum of y}{n} = \frac{1214}{16} = 75.875

Standard Deviation (male) = \sqrt{\frac{sum(x-63.75)^2}{16-1} } =21.315

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Coefficient of Variation  = \frac{Std dev}{mean} *100

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For female, CV = \frac{21.512}{75.875} *100=28.35%

Comparison : Pulse rates of males has more variability than that of females since it has a greater coefficient of variation.

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