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lys-0071 [83]
3 years ago
14

The standard deviation describes the average distance from the mean. a. True b. False

Mathematics
1 answer:
Whitepunk [10]3 years ago
6 0
The standard deviation is a measure of the variation of the data about the mean. So false.
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the radius of a cylindrical construction pipe is 3 ft . If the pipe is 25ft long , what is it’s volume ?
ki77a [65]

Given:

radius of a cylindrical construction pipe is 3 ft

lenghtis 25ft long

Required:

what is it’s volume

Explanation:

volume of cylinder:

\begin{gathered} V=\pi r^2h \\  \\ here\text{ h is the length of the pipe} \\  \\ V=3.14\times(3)^2\times25 \\  \\ V=3.14\times9\times25 \\  \\ V=707\text{ ft}^3 \end{gathered}

Required answer:

V=707\text{ ft}^3

7 0
1 year ago
Canceling units is also called: a. changing the value c. multiplication b. unit analysis d. making connections
SOVA2 [1]

Canceling units is also called unit analysis.

This is also called dimensional analysis.

What is a unit of analysis in statistics?

  • The unit of analysis is the entity that you're analyzing. It's called this because it's your analysis (what you want to examine) that determines what this unit is, rather than the data itself.
  • Because it is the analysis you do in your study that determines what the unit is.
  • For instance, if you are comparing the children in two classrooms on achievement test scores, the unit is the individual child because you have a score for each child.

For example -

1 ft = 12 in

3 ft =  3 ft * \frac{12 in }{1 ft}

3 ft = ( 3 * 12 )  in ⇒ 36 in

Learn more about  unit analysis

brainly.com/question/15579410

#SPJ4

3 0
2 years ago
What property is shown 7*(m+9)=(7*m)+(7*9)
SCORPION-xisa [38]

Answer:

This is the distributive property of multiplication.

Step-by-step explanation:


5 0
3 years ago
Read 2 more answers
Please help me on this geometry problem
marissa [1.9K]
Apparently, we are to presume the cost of the pizza is proportional to its area. The ratio of areas is proportional to the square of the ratio of diameters. Hence we expect a 20" pizza to cost
(20/12)² × $7.95 ≈ $22.08
3 0
3 years ago
Store a sells 12 bottles of water for 3.36 store b sells 24 bottles of water for 6.00 How much more Willa customer pay for 48 bo
Nataly_w [17]

Answer:

$1.44

Step-by-step explanation:

<u>Store A:</u>

12 bottles of water for $3.36

Then

48 bottles of water for \$3.36\cdot 4=\$13.44 (48 bottles is 4 times greater than 12 bottles)

<u>Store B:</u>

24 bottles of water for $6.00

Then

48 bottles of water for \$6.00\cdot 2=\$12 (48 bottles is twice greater than 24 bottles)

<u>Difference:</u>

\$13.44-\$12=\$1.44

6 0
3 years ago
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