Polynomial trend model

Assignment Help Basic Statistics
Reference no: EM131798567

While the national unemployment rate may have ticked up slightly in 2010, in states such as California, Nevada, and Michigan the employment picture continues to look grim (CNNMoney, September 21, 2010). Consider the following table, which lists a portion of the monthly unemployment rates (seasonally adjusted) in California from 2007-2010. The full data set can be found on the text website, labeled California Unemployment.

Year

Month

Unemployment Rate (%)

2007

Jan

4.9

2007

Feb

5.0

....

....

....

2010

Dec

 

a. Plot the above series. Which polynomial trend model do you think is most appropriate?

b. Verify your answer by formally comparing the linear, the quadratic, and the cubic trend models.

c. Forecast the unemployment rate in California for January 2011.

Reference no: EM131798567

Questions Cloud

Calculate the physical productivity of four bricklayers : Physical productivity the total physical output of a number of machines or workers is called physical productivity and is a function of the number of machines.
What are the instruments of foreign policy : How is American Foreign Policy made? What are the instruments of foreign policy?
Pros and cons of proportional versus plurality voting : What is proportional and plurality voting? What are the pros and cons of proportional versus plurality voting?
Create a web page that will give information : Create a Web page that will give information about each of the positions a site specification - Salaries, benefits associated with these positions
Polynomial trend model : a. Plot the above series. Which polynomial trend model do you think is most appropriate?
Find the data entry speed as a function of the number : Find the data entry speed as a function of the number of lessons if the average student can complete 10 entries per minute with no lessons (x = 0).
Discuss operating section of a multi-step income statement : Other Revenues/Gains are part of the operating section of a multi-step income statement
How many units are completed after 8 hours : Productivity because a new employee must learn an assigned task, production will increase with time.
Above requirements at the minimum possible cost : determine a schedule to meet the above requirements at the minimum possible cost.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Probability that the other side of card is also black

There are three cards in a box. Both sides of one card are black, both sides of one card are red, and the third card has one black side and one red side.

  Find probability that children are enrolled in school

Of all 3 to 5 year old children, 56% are enrolled in school. A sample of 500 children age 3 to 5 year old is ramndom selected. Find the probability that at least 250 children are enrolled in school.

  Compare the methods of training managers

Three methods of training managers are to be tested for relative effectiveness. The management training institution proposes to test the effectiveness.

  Mean annual household consumption

Determine the mean annual amount spent on household consumption per family with a sample of 100 families, an average amount of $8,000 spent, and if the population standard deviation is $500,

  Find probability five questionnaires will be returned

Determine the probability that 5 or less questionnaires will be returned? Compute also probability that 7 or more questionnaires will be returned.

  A summary data on proportional stress limits for specimens

a summary data on proportional stress limits for specimens constructed using two different types of wood are shown

  For a population that is not normally distributed the

for a population that is not normally distributed the distribution of the sample means will .be negatively skewed

  Determine the probabiliyt of type two error

Assume you always reject null hypothesis, regardless of any sample evidence. Determine the probabiliyt of Type II error? P(Type II error).

  Allied head of state at versailles

What were Wilson's Fourteen; and how did they relate to the views of his fellow Allied head of state at Versailles? Why did United States not join the League of Nations?

  A manager of a pizza outlet has collected monthly sales in

a manager of a pizza outlet has collected monthly sales in 000 data for some time in an attempt to predict sales for

  Draw a venn diagram representing events a - b - c - d and e

Draw a Venn diagram representing events A, B, C, D, and E.- What is the value of P(A)?- What is the value of P(A or B)?

  Review problem related to the ice cream

The odds of an American home having at least one container of ice cream in the freezer are 9 to 10. What is the probability that an American home.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd