The coding of the statistic is used to make it easier to work with the large sunshine data set
The mean of the sunshine is 3.05[tex]\overline 6[/tex]The standard deviation is approximately 18.184Reason:
The given parameters are;
The sample size, n = 3.
∑x = 947
Sample corrected sum of squares, Sₓₓ = 33,065.37
The mean and standard deviation = Required
Solution:
[tex]Mean, \ \overline x = \dfrac{\sum x_i}{n}[/tex]
The mean of the daily total sunshine is therefore;
[tex]Mean, \ \overline x = \dfrac{947}{30} \approx 31.5 \overline 6[/tex]
[tex]s = \dfrac{x}{10 } - \dfrac{1}{10}[/tex]
[tex]E(s) = \dfrac{Ex}{10 } - \dfrac{1}{10}[/tex][tex]E(s) = \dfrac{31.5 \overline 6}{10 } - \dfrac{1}{10} = 3.05 \overline 6[/tex]
The mean ≈ 3.05[tex]\overline 6[/tex]Alternatively
,[tex]The \ mean \ of \ the \ daily \ total \ sunshine, \, s = \dfrac{31.5 \overline 6 - 1}{10 } = 3.05\overline 6[/tex]
The mean of the daily total sunshine, [tex]\overline s[/tex] ≈3.05[tex]\overline 6[/tex]
[tex]Var(s) = Var \left(\dfrac{x}{10 } - \dfrac{1}{10} \right)[/tex][tex]Var(s) = \left(\dfrac{1}{10}\right)^2 \times Var \left(x \right)[/tex]
Therefore;
[tex]Var(s) = \left(\dfrac{1}{10}\right)^2 \times 33,065.37 = 330,6537[/tex]
Therefore;
[tex]s = \sqrt{330.6537} \approx 18.184[/tex]The standard deviation, [tex]s_s[/tex] ≈ 18.184
Learn more about coding of statistic data here:
https://brainly.com/question/14837870
Please solve.. I will mark you brainliest
Answer:
z = -4Step-by-step explanation:
[tex]6z - 16 = 2z \\ - 16 = - 6z + 2z \\ - 16 = 4z \\ - \frac{16}{4} = - 4 = z[/tex]
Translate this sentence into an equation.
The sum of and Han's age is .
Use the variable to represent Han's age
Answer:
Variable means the letters represent the unknown number. So you can use any letter to represent Han's age......the most common letter "x, y, t, f, a, b" but you can use any letter
Step-by-step explanation:
1.) A number has 7 tens and 3 more ones than tens. What
is the number?
be
Answer:
80
Step-by-step explanation:
hope it helps . .. ..,......
Answer:
80
Step-by-step explanation:
7 tens = 70
3 more ones than tens = 3 + 7 = 10
10 ones = 10
70 + 10 = 80
9.
There are only red beads and green beads in a bag.
The ratio of the number of red beads to the number of green beads is 5:9
(a) What fraction of the beads are red?
Answer:
Assume there are 5x red beads and 9x green beads
Total no. of beads = 5x+9x = 14x
Fraction of beads that are red = 5x out of 14x
or 5/14
Using the numbers 5, 8, and 24, create a problem using no more than four operations (addition, subtraction, multiplication, division, square, square root, cube, cube root) where the solution will be an irrational number.
Explain why the result of your operations is an irrational number.
somebody please help me :(
all i know is that this is the equation √(24x5-8)
I need help checking the answer to it.
I think it's 10.583005244
I'm not sure and i need all teh help i can get, thanks
Answer:
Take the square root of a number that is not a perfect square. None of the numbers are perfect squares. After you do that you can do any closed operation you want with the resulting irrational and the two other rationals and you will end up with an irrational.
8*24*√5 is an example.
8+24+√5 is another
5*√8 + 24 is another.
If you take the cube root of any number that isn't a perfect cube you get an irrational, so you could take the cube root of 5 or 24 instead of the square root and do the same thing.
How many x-intercepts does the graph of y = y2 have?
What does the point (1,6) on the graph represent?
Answer:
1 table with 6 plates
Step-by-step explanation:
Answer:
6 plates per table
Step-by-step explanation:
every tabel has 6 plates :) easy <3
The sum of four consecutive even integers is 132. What are the integers? (show your work)
Answer:
n
,
n
+
2
,
n
+
4
and
n
+
6
.
Step-by-step explanation:
Answer:
30, 32, 34, 36
sorry for bad handwriting
if f(x) is 10 what is x
Answer:
5
Step-by-step explanation:
someone plss helpppppp
[tex]\displaystyle \left \{\begin{array}{ccc} 2y=x-12 \\\\y=2x^2+3x-4 \end{array } \right. \Rightarrow \begin{cases} y =\dfrac{x-12}{2} \\\\ 2x^2+3x-4=\dfrac{x-12}{2} \end{cases } \Rightarrow \\\\\\ 2x^2+3x-4=\frac{x-12}{2} \\\\4x^2+6x-8=x-12 \\\\4x^2+5x+4=0 \\\\ \rm D=25-4\cdot 4\cdot 4=-39 \\\\D<0 \ \displaystyle \Rightarrow\varnothing \\\\Answer : \large \boldsymbol{} \sf (x ; y) \notin \mathbb R[/tex]
Help quick please give an explanation too.
Kareem wanted to write an equation for his friend that has many solutions. Help him write an equation.
Answer: (x+2)*(x-4)*(x+21) = 0 has "many" solutions
Step-by-step explanation: (x+2) = 0 only has one solution.
(x+2)*(x-4) = 0 has two solutions, -2 and 4
(x+2)*(x-4)*(x+21) = 0 has three solutions, -2, 4, and -21, etc
If "many" means more than three, then add another (x+XX) term. A quadratic equation generally has two solutions.
The table gives information about the heights, in cm, of some children.
Height (in cm)
Frequency
140
7
150
17
160
20
170
6
Estimate the mean height, in cm, of the children.
PLEASE ANWSER CORRECTLY!! I WILL MARK BRAINIEST!!!
Step-by-step explanation:
the midpoint is(-3,1)
that is the answer
PLEASE HELP WILL GIVE BRAINLIEST 5 STARS AND A THANKS DUE IN 1 HOUR AND A HALF!!
Answer: 2.3 / -3
Step-by-step explanation: If you want me to to explain it, just ask!
Answer:
y = -2.5/3x
Step-by-step explanation:
[tex]m = \frac{y2-y1}{x2-x1}[/tex]
[tex]m = \frac{7.5-5}{3-6}[/tex]
[tex]m = \frac{2.5}{-3}[/tex] or -0.83333
y = -2.5/3x
hope this helps
3 Chiang Heng went to a store with $235. A water bottle cost $33, a keyboard cost $34 and a dictionary cost $35. Chiang Heng spent all of his money to buy seven items. How many of each item did he buy?
Answer:
35÷33=564i3937202p33883
What is 4y-3x???Pls help for math
Answer:
No solution
Step-by-step explanation:
It's an expression, which means there isn't an answer. I feel like you've left out some needed information.
14/1.5 = 4.2/y plz help
Answer:
0.45
Step-by-step explanation: I looked it up
p/q=r/s (solve for q)
Answer:
q=pr/s
Step-by-step explanation:
p/q=r/s multiplication is the inverse of division so they cancel out. and you have to do the same thing to both sides so multiply both sides by "q" it cancels out on the left and stays on the right leaving you with
q=pr/s
pls give brainliest
ANSWER THIS PLEASE!!!!
Given the points (0, -1) and (6, 1), we need the following information to solve for the equation of the line:
We need the slope and the y-intercept.
Let (x1, y1) = (0, -1)
(x2, y2) = (6, 1)
Substitute these values into the following slope formula:
[tex]m = \frac{y2 - y1}{x2 - x1} = \frac{1 - (-1)}{6 - 0} = \frac{1 + 1}{6} = \frac{2}{6} = \frac{1}{3}[/tex]
Therefore, the slope (m) = 1/3.
Next, we need the y-intercept, (b), which is the point on the graph where it crosses the y-axis. It is also the value of the y-coordinate when its corresponding x-coordinate = 0.
Looking at one of the given points, (0, -1), this represents the y-intercept. Therefore, the y-intercept (b) = -1.
Now that we have our slope, m = 1/3, and y-intercept, b = -1, we can write our linear equation in slope-intercept form as:
y = 1/3x - 1
Please mark my answers as the Brainliest if you find this explanation helpful :)
4. Solve the following equation for q. 5q- 4q + 6 = 4q - 8.
q = 4p - 14
q = 4p + 14
q = 4p - 2
q = 4p + 2
Answer:
q=4p-14
Step-by-step explanation:
> 5q-4q+6=4q-8
> 5q-4q+6+8=4p
> q+14=4p
> q=4p-14
plz help will mark as brainliest
Answer:
(i), (ii) and (v) are the linear pairs in the following angles.
Step-by-step explanation:
Linear pair refers to adjacent supplementary angles whose sum = 180 degrees
Hope this helps!
Please mark as brainliest
Step-by-step explanation:
d is the answer hope it will help u
I need to solve for x and y please help
Answer:
I apologize, due to some urgent matters I wont be able to make the corrections to my answer.
Help me i really need this .no spam
Question : 8
[tex]11 \sqrt{5} + 4 \sqrt{7} [/tex]
Question : 9
[tex]x = - 1[/tex][tex]y = - 3[/tex]Question : 11
LHS isn't equal to RHSQuestion : 12
[tex]x = \dfrac{ \sqrt{3} }{2 \sqrt{2} } [/tex]Solution is in attachment ~
if 1llM, find the value of Y.
Answer:
B 105
Step-by-step explanation:7x = 5x + 30 alternating interior angles
2x = 30
x =15
7x = y corresponding angles
7(15) = y
y= 105
how many hours are between 7:00 am and 10:25 am?
constant rate of 12 blocks and 6 minutes
12 blocks per 6 minutes
So then:
2 blocks per 1 mintue
(12 / 6 = 2)
(not sure if you had an actual question, but here's a unit rate)
1Convert the following equation to slope-intercept formy-3=\frac{1}{8}\left(x+8\right)y−3=8(x+8)
Answer:
y = 8x + 67
Step-by-step explanation:
The equation of a line in slop- intercept form is
y = mx + c
Given
y - 3 = 8(x + 8) ← distribute parenthesis
y - 3 = 8x + 64 ( add 3 to both sides )
y = 8x + 67 ← in slope- intercept form
answer for brainliest
ΔMNO has vertices M(0, 0), N(−8, 0) and O(−8, −4). ΔMQP is similar to ΔMNO and has a vertex at Q(−6, 0). Identify the graph of ΔMNO and ΔMQP.
Answer:
The second one
Step-by-step explanation:
x+3y=4 4x + 5y =2
Find the x and y
find the X and y
for (x)
[tex] = \: \: x = 4 - 3y[/tex]
for (y)
[tex]y = \frac{2}{5} - \frac{4}{5} [/tex]
hope it helps
see the attachment
Find the GCF (Greatest Common Factor) of each pair of numbers:
16 and 20
15 and 28
33 and 66
78 and 30