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3 years ago

Hi! Hope You're Having A More Than Amazing Day!

Mathematics

2 answers:

SCORPION-xisa [38]3 years ago

3 0

890 is the answer hope I got it

rosijanka [135]3 years ago

3 0

I think 890!!!!!!!!!!!!!!!

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Calculate the value of the sample variance. Round your answer to one decimal place. 9_5,9_5,2,9_5

Ugo [173]

Answer:

$s^2 = 0.01$

Step-by-step explanation:

Given

Values: 9/5, 9/5, 2, 9/5

Required

Calculate the sample variance

Sample variance is calculated using:

$s^2 = \frac{\sum (x_i - \overline x)^2}{n - 1}$

First, we calculate the mean

$\overline x = \frac{\sum x}{n}$

$\overline x = \frac{9/5 + 9/5 + 2 + 9/5}{4}$

$\overline x = \frac{7.4}{4}$

$\overline x = 1.85$

$s^2 = \frac{\sum (x_i - \overline x)^2}{n - 1}$ becomes

$s^2 = \frac{(9/5 - 1.85)^2+(9/5 - 1.85)^2+(2 - 1.85)^2+(9/5 - 1.85)^2}{4 - 1}$

$s^2 = \frac{(-0.05)^2+(-0.05)^2+(0.15)^2+(-0.05)^2}{4 - 1}$

$s^2 = \frac{0.0025+0.0025+0.0225+0.0025}{3}$

$s^2 = \frac{0.03}{3}$

$s^2 = 0.01$

Hence, the variance is 0.01

5 0

2 years ago

What is the total amount that Mr.Juárez will have in his account at the end of 3 years?

kupik [55]

I think A because 560×3=1,680

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3 years ago

What is the y-intercept of the line?

Amanda [17]

Answer:

The equation of any straight line, called a linear equation, can be written as: y = mx + b, where m is the slope of the line and b is the y-intercept. The y-intercept of this line is the value of y at the point where the line crosses the y axis.

Step-by-step explanation:

got this answer from (www.Math.com)

Glad I helped! =)

5 0

2 years ago

Please hurry.

Pie

Answer:

3i-1

Step-by-step explanation:

2+3i-3

3i-1

4 0

3 years ago

What is the percent of change from 500,000 to 400,000?

antoniya [11.8K]

Answer:

20%

Step-by-step explanation:

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2 years ago