Answers
Answer:
30
Step-by-step explanation:
Related Questions
Question 1b.
The distribution is...
i. Reasonably symmetric
ii. Abnormal
iii. Highly Skewed
iiii. Bimodel
Answers
Answer: i) Reasonably symmetric
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Explanation:
The data set is
35,40,45,49,51,54,57,58,58,64,68,68,75,77
Erase the outer pair of values (35 and 77) to end up with this smaller set
40,45,49,51,54,57,58,58,64,68,68,75
Repeat and erase off the outer values (40 and 75) to end up with
45,49,51,54,57,58,58,64,68,68
Keep going until we have either one or two elements left
49,51,54,57,58,58,64,6851,54,57,58,58,6454,57,58,5857,58At this point, we see that the center is between these two last values. So the median is (57+58)/2 = 57.5
--------------------------------
The center is at 57.5
Let L = {35,40,45,49,51,54,57} consist of the set of numbers lower than the median
Let U = {58,58,64,68,68,75,77} be the upper set of values larger than the median.
The middle of set L is 49 and the middle of set U is 68. So Q1 and Q3 are 49 and 68 respectively.
From that, we see the IQR = Q3 - Q1 = 68-49 = 19
Let A and B be the lower and upper fence
We would then say
A = Q1 - 1.5*IQR = 49-1.5*19 = 20.5
B = Q3 + 1.5*IQR = 68 + 1.5*19 = 96.5
Notice how all of the given data values are between A = 20.5 and B = 96.5, which means we don't have any outliers.
Furthermore, if we plotted a box-and-whisker plot (see below), we can see that the two whiskers are fairly the same length. It's not perfect but they're reasonably symmetric. Similarly, the median is somewhat in the middle of the box itself. So this gives a rough idea that the data set we're dealing with is fairly symmetric.
More confirmation can be in the form of a histogram which is also part of the image below. This histogram is fairly symmetric as the left half is nearly (not perfectly) a mirror image of the right half, and vice versa. No one side pulls too far out to create a highly skewed distribution.
The Wall Street Journal Corporate Perceptions Study surveys readers and asks how each rats the quality of management and the reputation of the company for over worldwide corporations. Both the quality of management and the reputation of the company were rated on an excellent, good, and fair categorical scale. Assume the sample data for respondents below:
Reputation of Company
Quality of Management Excellent Good Fair
Excellent 40 25 5
Good 35 35 10
Fair 25 10 15
A. Use level of significance and test for independence of the quality of management and the reputation of the company. Compute the value of the test statistic (to 2 decimals).
B. If there is a dependence or association between the two ratings, discuss and use the probabilities to justify your answer.
Answers
Answer:
Step-by-step explanation:
[tex]\text{The data given for the quality measurement and other criteria can be seen below:}[/tex]
Quality management Excellent Good Fair Total
Excellent 40 25 5 70
Good 35 35 10 80
Fair 25 10 15 50
Total 100 70 30 200
The null and alternative hypothesis:
[tex]\mathbf{H_o: \text{the quality management and reputation are independent} }[/tex]
[tex]\mathbf{H_a: \text{the quality management and reputation are not independent} }[/tex]
The expected value is calculated by using the formula:
[tex]E=\dfrac{row \ total \times column \ total }{table \ total}[/tex]
After using the formula to calculate the table above; we have:
The expected values of the data to be:
Quality management Excellent Good Fair Total
Excellent 35 24.5 10.5 70
Good 40 28 1.2 80
Fair 25 17.5 7.5 50
Total 100 70 30 200
Degree of freedom = ( row - 1 ) × ( column -1 )
[tex]= (3 - 1 ) \times (3 -1)[/tex]
[tex]= 2\times 2[/tex]
[tex]=4[/tex]
[tex]\text{The p-value at level of significance of 0.05 and degree of freedom of 4 = }\mathbf{0.0019}[/tex]
Decision rule: To reject the [tex]\mathbf{H_o}[/tex] if the p-value is less than the ∝
Conclusion: We reject the [tex]\mathbf{H_o}[/tex] and conclude that quality management and reputation are not independent.
(B)[tex]\text{The P-value here implies that in case that there is no dependence between the two ratings, }[/tex][tex]\text{the probability that they will seem to show at least this kind of strong dependence is 0.0019.}[/tex]
[tex]\text{Thus, the probability that they will seem to show at least this kind of strong independence is =}[/tex][tex]\mathbf{0.0019}[/tex]
How do I solve 1 1/3 × 2 2/4 in steps?
Answers
Answer:
3 1/3
Step-by-Step
first step is too make a an improper fraction, 1 1/3 equals 4/3 and 2 2/4 equals 10/4. next your gonna multiply 4/3 and 10/4, 4x10=40,3x4 equals 12, so it would be 40/12. but its improper, we need to reduce it. the lowest number that can go in both numbers is 4. 40 divided by 4 =10. 12 divided by 4=3. 12/3= 3 1/3
Answer:
10/3
Step-by-step explanation:
That's 1 1/3 times 2 1/2.
Converting these into improper fractions, we get 4/3 times 5/2.
Multiplying (4/3) by (5/2), we get 20/6, or, after reduction, 10/3
My cake recipe calls for 2/3 cup of chocolate chips. I want my cake to be three
times more chocolatey than that. How many cups of chocolate chips should I
use? *
Answers
what is the sum of 2/5 and 2/5 in simplest form
Answers
Answer:
The answer is 2/5
Step-by-step explanation:
2/5+2/5=4/5=2/5
Pls help extra points and mark
Answers
3y + 1.8 ≥ 10.8 I need mad help on dis
Answers
Answer:
In this question the y is 3.
Step-by-step explanation:
3 x 3 is 9.
9 + 1.8 = 10.8
Please help me with this question
Answers
It is Called because 627 times 35 equals 21,945.
a gain of five meters
Answers
1.A gain of five meters:5
Because gain＝+
Give me 2 animals read the direction THX FOR THE PEOPLE THAT WANNA HELP
Answers
Answer:
sssssssssssssssssssssssscscscs
Step-by-step explanation:
Seminar Explanation: Or if they like teaching, then to move to a high-class school to teach where the staff and co-workers are friendly, and where the pay is good.
WILL GIVE BRAINLIEST URGENT
Answers
Answer:
CHICKEN CHEESE BUTT
Step-by-step explanation:
5+5 = 69 :)
What is 5x5+34-10 pls need help
Answers
so what exactly is a,b,c
Answers
Which scenario matches the relationship shown in the table?
Sakura walked 6 miles yesterday.
Sakura walks 6 miles every day.
Sakura walked less than 6 miles.
Sakura walked 1 day in 6 miles.
Answers
Answer:
It’s B) sally walks 6 miles every day
Step-by-step explanation:
Please help please please plewse
Answers
Answer:
-1 and -5
Step-by-step explanation:
The long side of a right triangle is called the hypotenuse. The hypotenuse
is always opposite the right angle of the triangle. The two shorter sides are
called legs. Though other triangles can have a longest side, it is only called
the hypotenuse in a right triangle.
Where can you find the hypotenuse in a right triangle?
А
It is opposite the right angle.
B
It is opposite the acute angle.
C
It is the shortest leg.
D
It is the obtuse angle.
Answers
Answer:
b
Step-by-step explanation:
For which Inequality would x= 4.5 not be a solution?
12-28
O8x+5>0
9x-5 <80
Ox+62 10
Answers
Answer:
12-28
Step-by-step explanation:
Please please help help
Answers
Answer:
17 players
Step-by-step explanation:
6 people scored 2
8 people scored 3
3 people scored 4
Can someone please help!!!
Answers
20. What is the equation of the line that passes through the points (-2, 2) and (0,5)?
A. y = -3/2x + 5
B. y = 3/2x + 5
C. y = x-5
D. y = x + 5
Answers
Slope=(y2-y1)/(x2-x1)
Slope=(5-2)/(0- -2)
Slope=3/2
WRITE AN EQUETION TO REPREDENT ECH ONE
Answers
Answer:
2x=3
W+1.3=2.7
3y=5.1
z+1/3=1/2
Step-by-step explanation:
You just add up all on the left to equate that on the right
2x=3
W+1.3=2.7
3y=5.1
z+1/3=1/2
In case you have to solve:
x=3/2
W=2.4
y=1.7
z=1/6
Peter the Leprechaun has 526 gold bars that he arranges evenly into 24 pots. Each gold bar weighs 2.2 pounds. A) How many bars of gold are in each pot?
Answers
Answer: 21
Step-by-step explanation: The amount the gold bar weighs is extra information and is meant to throw you off, 526/24 is 21.9 but because you can’t have a decimal amount of gold bars it’s just 21 in each pot.
Silvia was growing some plants. She measured the height, in inches, of the plants and made thisline plot to show her data:
( please help will give brainliest if you do and do trolling or I’ll report you)
Answers
Answer:
The answer is C.
Step-by-step explanation:
The equivalents to 1/4 are 2/8, 3/12, 4/16 etc. So the fractions after 1/4 are higher than 1/4. Then you count how many 'x's are in the columns for those measurements and you will get 6.
Is 6 right?? Please help
Answers
Answer:
yes, it should be
Step-by-step explanation:
10+x= y
but if not then 10+x is the amount of cards Alan would have except i wouldn’t put the =10x because that says you are multiplying and that doesn’t happen in this problem
What is 54288 divided by 6.24
Answers
Sarah makes small purses (x) and big purses (y). She can make no more than 8 purses a week. Which inequality represents the situation?
Answers
Both inequalities above are the same so they would both be correct, doesn’t matter which you choose.
The inequality that represents this situation is x + y ≤ 8
Inequalities shows the non equal comparison between numbers or expressions.
Let x represent the number of small purses and y represent the number of big purses.
Given that She can make no more than 8 purses a week, hence:
x + y ≤ 8
The inequality that represents this situation is x + y ≤ 8
Find out more at: https://brainly.com/question/25285332
The hanger image below represents a balanced equation.
Select an equation that represents the image.
Choose 1 answer:
Choose 1 answer:
(Choice A)
A
5m=505m=505, m, equals, 50
(Choice B)
B
\dfrac{m}{5}=50
5
m
=50start fraction, m, divided by, 5, end fraction, equals, 50
Find the value of mmm that makes the equation true.
m=m=m, equals
Answers
Answer:
The answer is A
Step-by-step explanation:
5m=505m=505,m equal, 50
Solve
9x^2 + 3x = 20
Answers
Answer:
20 barriles diarios y en los trajes y que es el que
Calculate the lateral surface area of the rectangular prism:
Answers
A1: 3.1 x 5 = 15.5
A2: 7.4 x 3.1 = 22.94
A3: 5 x 7.4 = 37
A4: 3.1 x 7.4 = 22.94
A5: 7.4 x 5 = 37
A6: 3.1 x 5 = 15.5
Add all answers together to get your answer of 150.88 cm^2.
Hope this helps!!
Solve for x. Enter the solutions from least to greatest.
Round to two decimal places.
(x + 8) ^2– 2 = 0
lesser x =
greater x =
Answers
Answer:
Lesser x: -9.41
Greater x: -6.59
Step-by-step explanation: khan academy