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Virty [35]
3 years ago
13

Question 1 (10 points). (a) Explain the difference between linear and logistic regression. (Explain at least two differences and

one similarity in detail). (b) Give an example of a modeling problem (ie, using X to predict Y, where X and Y are real life examples) for each type.
Mathematics
1 answer:
cricket20 [7]3 years ago
3 0

Answer:

(a) <em>Linear regression</em> is used to estimate dependent variable which is continuous by using a independent variable set. <em>Logistic regression</em> we predict the dependent variable which is categorical using a set of independent variables.

(b) Finding the relationship between the Number of doors in the house vs the number of openings. Suppose that the number of door is a dependent variable X and the number of openings is an independent variable Y.

Step-by-step explanation:

(a) Linear regression is used to estimate dependent variable which is continuous by using a independent variable set .whereas In the logistic regression we predict the dependent variable which is categorical using a set of independent variables. Linear regression is regression problem solving method while logistic regression is having use for solving the classification problem.

(b) Example: Finding the relationship between the Number of doors in the house vs the number of openings. Suppose that the number of door is a dependent variable X and the number of openings is an independent variable Y.

If I am to predict that increasing or reducing the X will have an effect on the input variable X or by how much we will make a regression to find the variance that define the relationship or strong relationship status between them. I will run the regression on any computing software and check the stats result to measure the relationship and plots.

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What is the quotient of these
Alex Ar [27]

Answer:

the answer is C

Step-by-step explanation:

x2−162x2−9x+42x2+14x+244x+4

=4x3+4x2−64x−644x4+10x3−70x2−160x+96

=2x3+2x2−32x−322x4+5x3−35x2−80x+48

=2(x+1)(x+4)(x−4)(2x−1)(x+3)(x+4)(x−4)

=2x+22x2+5x−3

8 0
4 years ago
A catering company uses different functions to estimate the itemized costs for a party. The table below represents the included
Ilya [14]
#of guests   waitstaff tip
10                      18
20                      36
30                      54
40                      72
50                      90

<span>If the tip varies directly with the number of guests, which equation represents the relationship between the tip, t, and the number of guests, g? 
t = 1.8g t = g/18 g = 1.8t g = t/18
</span>
18/10 = 1.8
36/20 = 1.8
54/30 = 1.8

direct variation: <span>t = 1.8g</span>
8 0
3 years ago
Read 2 more answers
Solve for y -72=8(y-3)
DaniilM [7]

Answer:

Step-by-step explanation:

y - 72 = 8(y - 3)

Distribute the 8 into (y - 3).

y - 72 = 8y - 24

Subtract 8y from both sides.

-7y - 72 = -24

Add 72 to both sides.

-7y = 48

Divide both sides by -7.

y = -48/7 or approxametly -6.9.

Proof:

y - 72 = 8(y - 3)

Substitute variable.

-48/7 - 72 = 8(-48/7 - 3)

Subtract.

-552/7 = 8(-69/7)

Multiply 8 by the inside term -69/7.

-552/7 = -552/7.

3 0
3 years ago
Suppose three marksmen shoot at a target. The ith marksman fires ni times, hitting the target each time with probability Pi, ind
astraxan [27]

Answer:

Distribution is NOT binomial.

Step-by-step explanation:

In order to be a binomial distribution, the probability of success for each individual trial must be the same. Since each marksman hits the target with probability Pi, the probability of success (hitting the target) is not necessarily equal for all trials. Therefore, the distribution is not binomial.

In this case, the distribution would only be binomial if Pi was the same for every "ith" marksman.

6 0
3 years ago
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Graph B..................................................................

                                             

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