In: Math

. TRUE/FALSE: (Please use one sentence to explain why it is FALSE if you decide that one statement is FALSE)

(a) The regression through origin model is designed to fit count responses only

(b) The Bonferroni method is always the best way of computing joint CI's of the mean responses, i.e., provides the group of CIs with the narrowest ranges which achieves the claimed family confidence coefficient.

(c) When you want to obtain the smallest variance of the "regression coefficient estimate", you might choose to control the response variable values.

(d) We do not have to check the model assumptions when the regression through origin model is used.

Part a)

A regression through origin model is designed to fit all such models where x = 0 gives a meaningless response through the intercept based linear model. Hence it not all fits the count responses, it does fit other form of data as well

Hence this statement is false

Part b)

Yes this statement is true, bonferroni method is best way for computing joint confidence intervals of mean responses

Part c)

Yes this statement is also true, when we want the least error we need to ensure that all the other factors or variables present in the experimental environment do not change or fluctuate to provide the best relation between the variables included in the study

Part d)

That is not true, for every model it is important to check the
model assumptions, whether it is simple liner regression model or
the regression model through origin. It is important to esure that
the assumptions are valid for the model to be functional and
effective.

hence this statement is false too

. True or False, and explain (one
sentence is sufficient)
A.) If P > ATC then a firms is
making economic profit.
B.) In a perfectly competitive
industry, it is possible for a firm to earn P > ATC in the long
run.
C.) If P = AVC in the long run, then
the firm should shut down and exit.
D.) If P < ATC in the short run,
then a firm should shut down and exit.
E.) In a...

TRUE/FALSE Please indicate whether each question is true or
false and provide a 1 sentence explanation
5. Temperature is associated with terrestrial productivity. If
the global temperature increased by 10C we would expect that
grasslands would have an increase in both GPP and NPP.
6. In most ecosystems, the rate of phosphorous recycling through
fixation exceeds the rate added through weathering.
7. An invasive insect called the Emerald Ash Borer has been
killing off ash trees across eastern North America...

True False Question ,please explain it 3
sentence
A regular saving may be regarded as fixed expense

True/False Questions.
For each question below, please answer “true” or “false” and
explain why.
6. A consumer with convex preferences who is indifferent between
the bundles (5,2) and (11,6) will like the bundle (8,4) at least as
well as either of the first two bundles. Assume these two goods are
imperfect substitutes.
7. The marginal rate of substitution is always the same constant
number when the goods are imperfect substitutes and no matter how
many of each good is being...

TRUE OR FALSE? Please make sure you state why it is true or false.
1. Gases travel into and out of plant leaves through pores
called storma.
2. Mesophyll cells acquire the water required for
photosynthesis by absorbing it from the humid atmosphere.
3. Carbon fixation occurs in both photosynthesis and cell
respiration.
4. Plants store sugars made during photosynthesis is
cellulose, a polysaccharide which serves as the storage form of
carbohydrates fuel.

Please answer with true and false answers, but use your
explanations why it would true or false and use diagrams if
necessary.
5. Suppose firms see inventories levels fall below the levels
they had planned. This will cause aggregate output to increase.
6. Ceteris paribus, an increase in the domestic price level
increases the price of domestic goods increases relative to foreign
goods resulting in a downward shift of aggregate expenditures and a
leftward shift of the aggregate demand curve....

True or False. If false explain why it is false and explain what
is meant by all parts of the statement.
The nuclear localization is a post-translational
modification.

For each of (a)-(d) below, decide whether the statement is True
or False. If True, explain why. If False, give a
counterexample.
(a) Two non-parallel planes in R 3 will always meet in a
line.
(b) Let v, x1, x2 ∈ R 3 with x1 6= x2. Define two lines L1 and
L2 by
L1 : (x, y, z) = x1 + sv, s ∈ R,
L2 : (x, y, z) = x2 + tv, t ∈ R.
Then the...

For each of the following statements, decide if the statement is
true or false and explain why:
A) If Jane buys a brand new 2016 car in 2017, 2017 GDP does not
change.
B) The CPI is a better indicator of the price level than the GDP
deflator
C) If workers at a customer service call center in Durham, NC
get laid-off because their company has moved the call center to
India; this is an example of cyclical unemployment.
D)...

True or False. Please give an explanation as to why its true or
false.
Too much leverage on a company’s balance sheet will increase the
company’s cost of equity/

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