1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Annette [7]
3 years ago
9

To determine the aptness of the model, which of the following would most likely be performed?

Mathematics
1 answer:
iren2701 [21]3 years ago
6 0

Answer:

D. All of the above

Step-by-step explanation:

Linear regression models relate to some assumptions about the distribution of error terms. If they are violated violently, the model is not suitable for drawing conclusions. Therefore, it is important to consider the suitability of the model for information before further analysis can be performed based on this model.

The fit of the model is related to the remaining behavior complying with the basic assumptions for error values in the model. When a regression model is constructed from a series of data, it should be shown that the model responds to the standard statistical assumptions of the linear model because of conducting inference. Residual analysis is an effective tool to investigate hypotheses. This method is used to test the following statistical assumptions for a simple linear regression model:

-Regression function is linear in parameters,

-Error conditions have constant variance,

-Error conditions are normally distributed,

-Error conditions are independent.

If no statistical hypothesis of the model is fulfilled, the model is not suitable for data. The fourth hypothesis (independence of error conditions) relates to the regulation of time series data. It is now used some simple graphical methods to analyze analysis, the feasibility of a model, and some formal statistical tests. In addition, when a model fails to meet these assumptions, some data changes may be made to ensure that the assumptions are reasonable for the modified model.

You might be interested in
Graph the point (-2,-3) on the coordinate plane​
atroni [7]

Answer:

The point will come in III quadrant

Step-by-step explanation:

The graph is as follows:

3 0
3 years ago
Read 2 more answers
20% of x is 11. What is x?
ipn [44]

Answer:

55

Step-by-step explanation:

20% is the same as 1/5, so we can multiply 11 by 5:

11*5=55

5 0
3 years ago
Giving brainliest to best answer ;)
zaharov [31]

Answer:

<6 = 50 percent

Step-by-step explanation:

<2 = <5 = <7 = <9 = 130 percent

<1 + <2 = <6 + <7 = 180 percent

180 percent - <7

180 percent - 130 percent = 50 percent

<6 = 50 percent

8 0
3 years ago
Read 2 more answers
An arboretum has a daffodil garden containing 17 different types of daffodils in an area of 345 square feet. The horticulture di
Kryger [21]

Answer:


Step-by-step explanation:

There are 1,400 daffodils in the flower garden covering an area of 345 square feet. So, the area covered by 1 daffodil, the unit rate, is found as shown below.

Now, use the unit rate to determine the area required to have 250 more daffodils as shown below.

Therefore, the area required to add 250 daffodils is approximately 61.6 square feet.




7 0
3 years ago
The following situations showed a strong correlation which implies causation?
lions [1.4K]

Answer:

The situations that show strong correlation are;

1), 3), 4)

Step-by-step explanation:

To answer the question, we analyze each of the options in turn as follows

1) Since the speed of a car is given by the distance covered per unit time or speed = distance/time then, speed is inversely proportional to time that is an increase in speed will lead to a decrease in time to cover a given distance hence there is a strong correlation implying causation

2) Here, we have that the profit of the company is the difference between the total revenue and the total cost hence;

Profit = Revenue - Cost

As advertising is a cost, increasing the advertising budget, increases the cost and where the revenue remains, constant the profit will decrease

Therefore there is no correlation between increasing the advertising budget and increase in profit

3) When the weather is hot, people get thirsty and will like to cool down their body temperature, hence more people buy ice cream to cool down and quench some thirst hence there is a strong correlation between increase in temperature and an increase in ice cream sales which implies  causation

4) For very low income employments, some employees seek excuses to try to make the most of their time hence whereby it is difficult to have another employee stand in for them, some employees may select the recognized excuse of being sick so as to explain absence from work, hence when the salary is increased, they will find more reasons to come to work hence there is a strong correlation between increase in salary and decrease in sick days.

4 0
3 years ago
Other questions:
  • At a restaurant, your bill has a food total of $28.20. Find the amount of an 15% tip on the food total.
    6·2 answers
  • What is the product?(7x^2y^3)(3x^5y^8)
    6·2 answers
  • At a​ little-known vacation​ spot, taxi fares are a bargain. A 14​-mile taxi ride takes 16 minutes and costs ​$11.20. You want t
    8·1 answer
  • What is the answer to 18+2×3
    12·1 answer
  • The second digit of a four digit number is "0". If you write the digits of this number backwards, you will get a number 9 times
    10·1 answer
  • CAN YOU PLEASE HELP ASAP!?
    9·2 answers
  • A polynomial is factored using algebra tiles.
    13·2 answers
  • Help plzz I will mark brainliestttt
    8·1 answer
  • If sarah works 40 hours a week and earns 660 dollars per payroll. how much does she make an hour
    14·2 answers
  • 29. The table below represents the relationship of the price of carrots to their weight in ounces in a market: Price Weight, in
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!