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3 years ago

What percent of a data set is represented in Q1

Mathematics

2 answers:

Andreas93 [3]3 years ago

7 0

Answer:

25%.

Step-by-step explanation:

We are asked to determine the percent of a data set is represented in $Q_1$ .

We know that 1st quartile or lower quartile of a data set represents 25% of data points. Median represents 50% of data points and upper or 3rd quartile represents 75%of data points of a data set.

Therefore, 25% of a data set is represented by 1st quartile ( $Q_1$ ).

Gnom [1K]3 years ago

6 0

Answer: "25%" .
_________________________________________________________
25% of a data set is represented in the "first quartile", known as: "Q1" .
__________________________________________________________

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Ulleksa [173]

Answer:

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Step-by-step explanation:

We have been given the following expression;

-13/√x

In order to rationalize the denominator, we multiply the numerator and the denominator by √x;

$-\frac{13}{\sqrt{x}}=-\frac{13\sqrt{x} }{\sqrt{x}\sqrt{x}}\\ \\-\frac{13\sqrt{x} }{\sqrt{x^{2} } }\\\\-\frac{13\sqrt{x} }{x}$

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David ran the yard dash in 7.2 seconds and won the event justin came in second with a time of 8.1 seconds how much better was da

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Answer:

david was. 9 seconds faster than Justin.

Step-by-step explanation:

8.1-7.2= .9

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3 years ago

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Scott works on cars. He charges $35 for each car plus $7 per hour. The total bill was $63. The equation that matches this is 35x

GuDViN [60]

He worked on the car for 4 hours. 35+7+7+7+7=63.

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3 years ago

Which expression is equivalent to ^3√x^5y?<br>a)x5/3<br>b)x5/3y1/3<br>c)x3/5 y<br>d)x3/5 y3

Illusion [34]

Answer:

$(x^5y)^{\frac{1}{3}}= x^{\frac{5}{3}} \times y^{\frac{1}{3}}$

Step-by-step explanation:

We are given our expression as

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The property of exponent says that

$\sqrt[n]{x} =x^{\frac{1}{n}}$

Hence

$\sqrt[3]{x^5y}= (x^5y)^{\frac{1}{3}}$

Another property says

$(ab)^n=a^n \times b^n$

Hence

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3 years ago

Cherie was building a fort with her friend jaylah . Cherie built a fort that was 181 inches tall and jaylah built a fort that wa

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Height of Jaylah's fort = 243 inches

Step-by-step explanation:

Step 1:

Height of Cherie's fort = 181 inches

Height of Jaylah's fort = 62 inches taller than Cherie's fort

We need to find the actual height of Jaylah's fort

Step 2 :

Since we are given that Jaylah's fort is 62 inches taller than Cherie's fort the actual height of Jaylah's fort can be determined by adding the height of Jaylah's fort to that of Cherie's fort.

Hence

Height of Jaylah's fort = 181 + 62 = 243 inches

Step 3 :

Answer :

Height of Jaylah's fort = 243 inches

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3 years ago