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Alexxx [7]
3 years ago
6

Listed below are pulse rates​ (beats per​ minute) from samples of adult males and females. Does there appear to be a difference

find the coefficient and variation for each of the two samples then compare the variation male: 87 68 61. 68 69 53 62 54 84 72 61 60 100 58 66 females: 65 81 82 70 74 86 87 84 88 89 94 71 86 80 78
The cofficient of variation for the males pulse rate ?
Mathematics
1 answer:
Sloan [31]3 years ago
8 0

Step-by-step explanation:

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. A un concierto asistieron 10000 personas , lo que representó un total de
BigorU [14]

Answer:

Número de boletos general = 8000

Número de boletos preferente = 2000

Step-by-step explanation:

Total de personas = 10000 personas

Venta total = $6600000

Ecuación para la venta total en terminos de boletos vendidos:

Número de boletos general = variable g

Número de boletos preferente = variable p

$500g + $1300p = $6600000

Simplifica la ecuación:

5g + 13p = 66000

Subsituye una de las variables usando la ecuación g + p = 10000:

g + p = 10000 => g = 10000 - p

5g + 13p = 66000 => 5(10000 - p) + 13p = 66000

Aislar la variable p:

5(10000 - p) + 13p = 66000

50000 - 5p + 13p = 66000

8p = 16000

p = 16000/8 = 2000

g = 10000 - p = 10000 - 2000 = 8000

Número de boletos general = 8000

Número de boletos preferente = 2000

7 0
3 years ago
Justin did push-ups for the past 555 days.The following data points are the number of push-ups he did each day.
Vitek1552 [10]

Answer: σ: 2.76

Step-by-step explanation:

Count, N: 5

Sum, Σx: 125

Mean, μ: 25

Variance, σ2:  7.6

Steps

look at attached pic for formula

σ^2 = \frac{Σ(xi - μ)^{2} }{N}

\frac{(21 - 25)2 + ... + (29 - 25)2}{5}

⇒ \frac{38}{5}

⇒ 7.6

σ =  \sqrt{7.6}

⇒   2.756809750418

⇒ or 2.76

3 0
2 years ago
What is the absolute value of point P on the number line? A number line ranging from negative two to two, with intervals of one-
V125BC [204]
The absolute value is always positive:
For example, the absolute value of -5:  | - 5 | = 5 and also the absolute value of 5 : | 5 | = 5
P =  - 1 1/4
The absolute value of point P.
| P | =   | - 1 1/4 |   =   1 1/4
4 0
3 years ago
7000 litres of water is pumped out of a tank in 42 minutes. How many litres could be pumped out in one hour at the same rate?
viktelen [127]

Answer:

8600 litre×235 will be there in the tanks

7 0
3 years ago
What is the value of 43 = 23? 2 7 8 16​
nata0808 [166]

Answer:

16

Step-by-step explanation:

I dont really inderstand but i would say 16 because it is closer to adding up to 43 so yea

3 0
2 years ago
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