1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
andreev551 [17]
3 years ago
6

True or False Variation provides information about how much the data varies within the sample.​

Mathematics
2 answers:
Iteru [2.4K]3 years ago
5 0

Answer:

True

Step-by-step explanation:

The variance of data measures how much the data varies.

skad [1K]3 years ago
4 0

your awnser would be true.

You might be interested in
When the coordinates (2,3), (4,4), (6,3), And (4,2) are joined, which shape is formed?
RSB [31]
Rectangle. I hope this helps.
4 0
3 years ago
H(t)=480t-16t^2<br><br> solve for t <br><br> PLEASE SHOW WORK
Andru [333]

Answer:

x = √30 or -√30

Step-by-step explanation:

480 - 16x^2 = 0

divide both sides by 16

30 - x^2 = 0

-x^2 + 30 = 0

-x^2 = -30

X^2 = 30

x = ± √30

x = √30 or -√30

7 0
3 years ago
Consider the matrix shown below:
balu736 [363]

Answer:

Its Not C or B, tried em and got em wrong

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
A waitress sold 15 ribeye steak dinners and 18 grilled salmon​ dinners, totaling ​$559.81 on a particular day. Another day she s
Orlov [11]

Let  the steaks = X and the salmon = y.

Set up two equations:

15x + 18y = 559.81

19x + 9y = 583.66

Now using the elimination method:

Multiply the second equation by -2, then add the equations together.

(15x+18y=559.81)

−2(19x+9y=583.66)

Becomes:

15x+18y=559.81

−38x−18y=−1167.32

Add these equations to eliminate y:

−23x=−607.51

Divide both sides by -23 to solve for x:

x= -607.51 = -23 = 26.413478

Now you have the cost for a steak.

To solve for the cost of the salmon, replace x with the value in the first equation and solve for y.

15(26.413478) + 18y = 559.91

396.202174 + 18y = 559.81

Subtract 396.202174 from both sides:

18y = 163.607826

Divide both sides by 18:

y = 163.607826 / 18

y = 9.089324

Round both x and Y to the nearest cent:

X (Steaks) =$26.41

Y (Salmon) = $9.09

7 0
3 years ago
A treatment is administered to a sample of n = 9 individuals selected from a population with a mean of µ = 80 and a standard dev
stepan [7]

Answer:

a) M =82

Step-by-step explanation:

Let´s study this as a Normal distribution.

As we know in a normal distribution the z score is = (X-μ)/(sd/sqrt(n))

where

X = mean for the taken sample = What we want to know in this problem

μ = Total population mean =80

sd= standard deviation= 12

n = sample size=9

So in this case z=( X-80)/(12/sqr(9))= (X-80)/4

also we know that the effect size taken by the machine is 0.5, which is the same as the z-score

so...

0.5 = (X-80)/4 => 0.5*4 = X-80

2+80 = X

X = 82

4 0
3 years ago
Other questions:
  • what is 7543762587646537659870970576434326 + 478964654513214375887o876u5464654353547566 divided by 9834790 x 4676696746436587697
    13·2 answers
  • (6.8 x 10^2) x (1.3 x 10^-3) in standard form
    15·1 answer
  • (1) The three salespeople for a local advertising firm are Lola, Ahmed, and Tommy. Lola sold $2030 in ads, Ahmed sold $1540, and
    11·2 answers
  • (05.05)On the coordinate plane below, what is the length of AB?
    13·1 answer
  • X-8 mathematics expression
    11·1 answer
  • Karla discovered that she could create the perfect shaped heart by combining two semicirlcles and a square what is the area of h
    9·1 answer
  • Please help!!!<br><br><br>find the measure of the largest interior angle of this polygon ​
    15·1 answer
  • Circle Q has a circumference of approximately 50 centimeters. Circle Q with diameter d is shown. What is the approximate length
    11·2 answers
  • How do we convert decimal numbers into binary numbers 2483?.
    9·1 answer
  • PLEASE HELP!! Need by 3/29/22!<br> Find the area of these shapes
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!