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Jlenok [28]
3 years ago
12

The mean of 5 numbers is 4. What happens to the mean if the number 10 is added to the data set?

Mathematics
2 answers:
Artyom0805 [142]3 years ago
7 0
It is D. The mean increase by 1.
jeka57 [31]3 years ago
6 0

Answer:D

Step-by-step explanation:

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Vinny worked 8 hours and was paid a total of $66. At this rate, how long
romanna [79]

Answer:

b, 20 hours

Step-by-step explanation:

First, find out how many times 66 (what Vinny made) goes into 165. (what Vinny wants to make) the answer is 2.5. Then, multiply 8 by 2.5 as well. You get 20. The answer is b, 20.

I hope this helps!

3 0
2 years ago
Find the circumference of the circle with radius 28 cm.<br><br>​
Artist 52 [7]

The circumference of the circle that has a radius of 28 cm is: 175.9 cm..

<h3>What is the Circumference of a Circle?</h3>

Circumference of a circle = 2 × π × r, where r = radius of the circle.

Given that a circle has:

radius (r) = 28 cm

Therefore:

Circumference of the circle = 2 × π × r

Plug in the value of r

Circumference = 2 × π × 28

= 175.9 cm.

Learn more about circumference of circle on:

brainly.com/question/20489969

4 0
2 years ago
Read 2 more answers
Sherry is a waitress at a country club restaurant. She receives an automatic 15% tip which is added to the member's check for th
Karo-lina-s [1.5K]

Answer:

143 50

Step-by-step explanation:

I hope it helps pa brainlest po

7 0
2 years ago
C)PLEASE MAN PEOPLE ARE USING ME FOR POINTS
UNO [17]

The measures of spread include the range, quartiles and the interquartile range, variance and standard deviation. Let's consider each one by one.

<u>Interquartile Range: </u>

Given the Data -> First Quartile = 2, Third Quartile = 5

Interquartile Range = 5 - 2 = 3

<u>Range:</u> 8 - 1 = 7

<u>Variance: </u>

We start by determining the mean,

\:1+\:2+\:3+\:3+\:3+\:5+\:8 / 7 = 3.57

n = number of numbers in the set

Solving for the sum of squares is a long process, so I will skip over that portion and go right into solving for the variance.

\sum _{i=1}^n\frac{\left(x_i-\bar{x}\right)^2}{n-1},\\\\=> SS/n - 1\\\\=> 31.714/7 - 1\\=> 5.28571

5.3

<u>Standard Deviation</u>

We take the square root of the variance,

\sqrt{5.28571} = 2.29906

2.3

If you are not familiar with variance and standard deviation, just leave it.

3 0
3 years ago
Read 2 more answers
Simplify 5 with the power of 3 and 2.5 with the power of 2. Help fast please!!!
Mars2501 [29]
5^3=125; 2.5^2=6.25. So the answer to your first question is 125, and the second one is 6.25
6 0
3 years ago
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