1.1) (Ch. 7) Explain what a residual is (also known as residual of prediction).
2)
...
e idea of “least squares” in regression (you need to fully read pp. 200-208 to understand).
3) What does it mean if b = 0?
4) What does it mean when r-squared is 0? What does it mean when r-squared is 1?
5) What is the difference in an unstandardized regression coefficient and the standardized regression coefficient?
6) If a report says test performance was predicted by number of cups of coffee (b = .94), what does the .94 mean? Interpret this. (For every one unit increase in ___,There is an increase in ___ )
7) If F (2,344) = 340.2, p < .001, then what is this saying in general about the regression model? (see p. 217)
8) Why should you be cautious in using unstandardized beta? (p. 218)
9) (Ch. 8) Explain partial correlation in your own words. In your explanation, explain how it is different from zero-order correlation (aka Pearson r).
10) (Ch. 9) What is the F statistic used to determine in multiple regression?
11) What is F when the null hypothesis is true?
12) In Table 9.4, which variable(s) are statistically significant predictors?
13) In Table 9.4, explain what it means if health motivation has b = .36 in terms of predicting number of exercise sessions per week.
14) What is the benefit of interpreting standardized beta weights? (see p. 264).
15) What happens if your predictor variables are too closely correlated?
16) Reflect on your learning. What has been the most difficult? How did you get through it? What concepts are still fuzzy to you? Is there anything you could share with me that would help me address how you learn best?
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2.I need help in summarizing this article:
The air we inhale could be changing our conduct in manners we are just
...
we are just barely starting to
understand.In the future, police and wrongdoing counteraction units may start to screen the degrees of
contamination in their urban communities, and convey assets to the spaces where contamination is heaviest on guaranteed
day.This may seem like the plot of a sci-fi film, however ongoing discoveries recommend that this
likely could be a beneficial practice.Why? Arising contemplates show that air contamination is connected to
disabled judgment, emotional well-being issues, more unfortunate execution in school and most worryingly
maybe, more elevated levels of crime.These discoveries are largely the really disturbing, given that more than
a big part of the total populace now live in metropolitan conditions – and a greater amount of us are going in
blocked regions than any time in recent memory. However, perhaps, he thought, there could be other unfavorable
impacts on our lives.To start with, he led an investigation seeing whether air contamination had an
impact in psychological performance.Roth and his group saw understudies taking tests on various
days – and furthermore estimated how much contamination was noticeable all around on those given days. Indeed, even a couple
days prior and a couple of days after, they discovered no impact – it's truly upon the arrival of the test
that the grade diminished altogether. To decide the drawn out impacts, Roth followed up
to perceive what affect this had eight to 10 years after the fact. In this way, he daid that regardless of whether it's a present moment
impact of air contamination, on the off chance that it happens in a basic period of life it truly can have a drawn out impact. In
2018 examination, his group broke down two years of wrongdoing information from more than 600 of London's discretionary
wards, and tracked down that more insignificant violations happened on the most dirtied days, in both rich and
poor areas.Although we ought to be careful about reaching determinations about connections, for example,
these, the creators have seen some proof that there is a causal link.Wherever the haze of
contamination ventures, wrongdoing increments. As a feature of a similar report, they thought about unmistakable regions
over the long haul, just as following degrees of contamination over the long haul. This implies that an intercession at
an early age ought to be a priority.Exposure to different poisons can cause aggravation in the
cerebrum. There are numerous potential components that may clarify how air contamination influences our
morality.Lu, for example, has shown that the simple considered contamination can impact our
brain science through its negative associations.Naturally, the scientists couldn't
truly uncover members with contamination, so they took the following best (morally supported) venture
so they asked them to truly envision living around here, and how they would feel and how their life
would be living in this climate, to make them mentally experience air contamination
versus a perfect climate. He tracked down that the member's tension expanded, and they became
more self-focussed – two reactions that could increment forceful and flippant
practices. Along these lines, by raising people groups' tension, air contamination can detrimentally affect
conduct. at the point when we are restless we are bound to punch somebody in the face, than when
we are quiet. Lead analyst Joanne Newbury, from King's College London, says she can't
however guarantee that her outcomes are causal, yet the discoveries are in accordance with different investigations proposing a
interface between air contamination and psychological wellness. "It adds to confirm connecting air contamination to
actual medical conditions and air contamination connect to dementia.
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3.6. In many important reactions, oxygen from the atmosphere is a participant. When iron “rusts” through a series of redox
...
hrough a series of redox reactions involving water and oxygen, the ultimate reaction is Fe (iron) + O2 (molecular, elemental oxygen) Yields Fe2O3 (red rust). The charge of iron in rust is +3; the charge of oxygen in rust is -2.
a. What is the charge of metallic iron? Atmospheric oxygen? How do you know?
b. What is oxidized in this reaction? What is reduced?
7. In raku firing of ceramics, a piece of clay is formed, then glazed, often with some type of copper, iron, cobalt, or other metallic compound. The product is removed hot from the kiln and placed in a container of sawdust, leaves, or other combustible materials. The burning quickly consumes all the oxygen, and produces a “reductive” environment. You know that the half reaction: Cu yield Cu+2 + 2 e- is an oxidation.
a. Write this in reverse to show what happens to the copper ions in glazes in a reductive environment. Explain, then, why raku firing yields interesting effects.
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4.6. In many important reactions, oxygen from the atmosphere is a participant. When iron “rusts” through a series of redox
...
hrough a series of redox reactions involving water and oxygen, the ultimate reaction is Fe (iron) + O2 (molecular, elemental oxygen) Yields Fe2O3 (red rust). The charge of iron in rust is +3; the charge of oxygen in rust is -2.
a. What is the charge of metallic iron? Atmospheric oxygen? How do you know?
b. What is oxidized in this reaction? What is reduced?
7. In raku firing of ceramics, a piece of clay is formed, then glazed, often with some type of copper, iron, cobalt, or other metallic compound. The product is removed hot from the kiln and placed in a container of sawdust, leaves, or other combustible materials. The burning quickly consumes all the oxygen, and produces a “reductive” environment. You know that the half reaction: Cu yield Cu+2 + 2 e- is an oxidation.
a. Write this in reverse to show what happens to the copper ions in glazes in a reductive environment. Explain, then, why raku firing yields interesting effects.
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5.A force of 40.0 N is needed to compress a spring 0.200 m. A 1.00 x 10-2 kg ball
...
ring.
a) Calculate the work done to compress the spring. (2 marks)
b) What happens to the work done on the spring ? (1 mark)
c) If the spring is released, what happens to the energy of the spring? (1 mark)
d) Calculate the total mechanical energy of the ball at the instant it leaves the spring. (2 marks)
e) What will be the speed of the ball at the instant it leaves the spring? (2 marks)
f) If the ball is fired up into the air by the spring, how much gravitational potential energy will it gain? (1 mark)
g) What will be the maximum height of the ball? (2 marks
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6.It has been argued that of the two types of authoritarianism, left-wing has more in common with totalitarianism. To begin
...
litarianism. To begin with, provide a full description of left-wing authoritarianism. Then identify two traits of totalitarian syndrome and explain why you believe they support the assertion that left-wing authoritarianism is more similar to totalitarianism.
There are different understandings as to the nature of representation in an indirect democracy. Name and describe each type. Finally, explain which of these you could expect to find in the parliamentary system and why.
What, in the parliamentary context, is confidence? Why is it important, how might it be lost, and what happens if it is lost?
The Canadian and the US political systems each contain a Senate. In one of the regimes the Senate is the dominant chamber, in the other it is not. Identify which is which and explain why.
Provide a full description of the characteristics of a federal state. In your view, how would Plato and Aristotle classify this type of governmental system?
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10.
For a reducing balance loan what happens when you pay a extra repayments aggressively at the start. How does it
...
rt. How does it make u pay less interest and have less interest:
Vn+1 = 1.00405Vn - 1817.35, Vo= 34400
The term of the loan is 30 years with monthly payment of 1817.35 at an interest rate of 4.86 p.a
Pls tell me the answer regarding this particular equation
Q2) How much of the principal has been repaid? Fv - Vo is this the correct formula
Q3) Superannuation
Something like if u add money without tax why does it benefit your super account
I’m sorry to disturb you but I was hoping you could help as tmrw is my last writing lesson for my sac
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11.A uniform beam of length L
and mass m shown in Figure
P12.16 is inclined at an angle
u to the horizontal. Its
...
izontal. Its upper
end is connected to a wall by
a rope, and its lower end rests
on a rough, horizontal sur-
face. The coefficient of static
friction between the beam
and surface is ms. Assume
the angle u is such that the static friction force is at its
maximum value. (a) Draw a force diagram for the beam.
(b) Using the condition of rotational equilibrium,
find an expression for the tension T in the rope in
terms of m, g, and u. (c) Using the condition of trans-
lational equilibrium, find a second expression for T in
terms of ms, m, and g. (d) Using the results from parts
(a) through (c), obtain an expression for ms
L
u
Figure P12.16
Q/C
S
vertical component of this force. Now solve the same
problem from the force diagram from part (a) by com-
puting torques around the junction between the cable
and the beam at the right-hand end of the beam. Find
(e) the vertical component of the force exerted by the
pole on the beam, (f) the tension in the cable, and
(g) the horizontal component of the force exerted
by the pole on the beam. (h) Compare the solution
to parts (b) through (d) with the solution to parts
(e) through (g). Is either solution more accurate?
19. Sir Lost-a-Lot dons his armor and sets out from the
castle on his trusty steed (Fig. P12.19). Usually, the
drawbridge is lowered to a horizontal position so that
the end of the bridge rests on the stone ledge. Unfor-
tunately, Lost-a-Lot’s
squire didn’t lower the draw-
involv-
ing only the angle u. (e) What happens if the ladder
is lifted upward and its base is placed back on the
ground slightly to the left of its position in Figure
P12.16? Explain.
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12.I am working with English and need help answering some Jane Eyre questions. Only chapters 28-35 and 36-38.
Chapters 28-35
Did any
...
36-38.
Chapters 28-35
Did any events in Chapters 28-35 seem unrealistic, or improbable, to you? Explain.
What happens to Jane on the way to Marsh End? What does Jane’s reaction to the news reveal about her?
How does St. John help Jane? What news does he bring to Jane? What does Jane’s reaction to the news reveal about her?
Why does St. John ask Jane to come to India with him as his wife? How does she answer him? What do you think Jane means when she says, “If I join St. John, I abandon half myself?”
Jane comes close to changing her mind about marrying St. John. Why? What does her response to Rochester’s voice suggest about her values and feelings? What conflicts seem to be troubling her?
What kinds of images does Bronte use to describe St. John? Give two examples. Why are these images appropriate?
Chapters 36-38S
Did you find the ending of the novel satisfying? Why or why not?
What shock does Jane receive when she returns to Thornfield? What does she learn about its inhabitants?
How does Rochester say he felt in Jane’s absence? What spiritual change has occurred in Rochester?
Do Jane and Rochester still feel the same way about each other? Explain.
In what way have the roles in Jane and Rochester’s relationship reversed?
Is the situation at the end ironic?
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