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Mademuasel [1]
2 years ago
8

Jane computes the variance for a set of data and gets the correct answer of 16. What is the standard deviation for this same set

of data
Mathematics
1 answer:
PilotLPTM [1.2K]2 years ago
3 0

The standard deviation of a dataset is the square root of the variance.

The standard deviation of the same set of data is 4

The variance is given as:

\sigma^2 = 16

Take the square root of both sides to calculate the standard deviation

\sigma = \sqrt{\sigma^2

Substitute 16 for \sigma^2.

So, we have:

\sigma = \sqrt{16}

Take the positive square root of 16

\sigma = 4

Hence, the standard deviation of the same set of data is 4

Read more about standard deviations at:

brainly.com/question/475676

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The wheel of a bike has a diameter of 27 inches. Find the circumference of the wheel. Round your answer to the nearest whole num
Readme [11.4K]
By definition, the circumference is given by:
 C = 2 * pi * R
 Where,
 R: Radio
 Substituting values we have:
 C = 2 * pi * (27/2)
 C = 84.82300165 in
 Round to the nearest whole number:
 C = 85 in
 Answer:
 
The circumference of the wheel is:
 
B. about 85 inches
4 0
3 years ago
Read 2 more answers
A parachutist descends 44 feet in 4 seconds. Express the rate of the parachutist's change in height as a unit rate.
Montano1993 [528]

The unit rate of the parachutist change in height is 11 feet per second.

   • In Mathematics, Unitary method is a technique for solving a question by first finding the value of a single unit and then finding the required value by multiplying the number by value of single unit .

   • We use unitary method to find the ratio of one thing with respect to other thing.

   • There are two types of unitary method one is Direct Variation and the other is Inverse variation.

We have the rate of descend as 44 feet in 4 sec.

So, in 1 second it will be = 44 / 4 = 11 feet.

Which is the unit rate.

Therefore, the unit rate of descend for the parachutist is 11 feet per second.

Learn more about unit rate here:

brainly.com/question/19493296

#SPJ9

5 0
1 year ago
B3 = 1000 Take the cube root of each side of the equation. Simplify the result.
ivann1987 [24]

Answer:

kamwnwnw. jjjns nsn

nnsjzjznnznznnnnzniina

nanjajanana siziid

jJnananamanmam

5 0
2 years ago
I really don’t understand what the questions asking? How do I solve this
Eddi Din [679]

Answer:

$17.85

Step-by-step explanation:

Let the dollar amount per shirt be represented by s.

Let the dollar amount per pants be represented by p.

You have the following system:

3s+2p=104.81

2s+1p=61.33

If I multiply the bottom equation by -2, I can set the system up for elimination since the equations are already and the same form and I will have 2p and -2p in the same column there.  2p+(-2p)=0

Multiplying equation 2 by -2:

3s+2p=104.81

-4s-2p=-122.66

-----------------------Add the equations:

-1s      =-17.85

Multiply both sides by -1:

s=17.85

So one shirt cost $17.85

5 0
2 years ago
Please help me with this question
marshall27 [118]

Answer:

80,

Step-by-step explanation:

the way to find the volume of a prism is the following, get 3 measurements, the length, the width and the height (in this case you already have all 3) so simply multiply they together(2*5*8=80)

6 0
2 years ago
Read 2 more answers
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