Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

Use the following information for problems 1-3.  

Consider following time series data shown in table below:    

Year

Crop Yield

Rainfall

Temperature

1996

1997

1998

1999

208

215

204

196

25.0

28.2

25.6

23.5

53.2

58.5

55.1

52.6

1. Find out the time period used by data?

a. day

b. week

c. month

d. year

2. What is independent variable?

a. crop yield

b. rainfall

c. year

d. temperature

3. What is 3-year moving average for crop yield?

a. 209

b. 208

c. 207

d. 205

4. Horace Mann, principal of the Jones Public School, has decided to develop a time series model to obtain the 2- and a 3-period moving average to forecast student enrollments for next term.

Which statement is true concerning the accuracy of each forecast that Horace will obtain?

a. The 2-period forecast will be more accurate than the 3-period forecast.

b. The 3-period forecast will be more accurate than the 2-period forecast.   

c. Both forecasts will be equally accurate.       

d. Either forecast could be more accurate than the other.

5. Media Company has gathered 15 months of time series data for sales of new product since it was commercialized. Media has decided to apply a 5-month moving average model to the data. How many squared error terms should be summed in order to obtain mean square error (MSE)?

a. 15

b. 10

c. 9

d. 5

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M920509

Have any Question? 


Related Questions in Statistics and Probability

Thenbspessay approximately 500 to 600 words in length that

The Essay, approximately 500 to 600 words in length, that you will write in the testing lab is as follows: Do these excerpts from Columbus' log provide us with any useful information about the native societies of these i ...

1 what geographical and historical factors have led

1. What geographical and historical factors have led Singapore to develop such a particular, and highly valued, local form of the English language? 2. Why are the tiny Spratly Islands such a controversial issue in Southe ...

Researchers investigated the issue of race and equality of

Researchers investigated the issue of race and equality of access to clinical trials. The table below shows the population distribution and the numbers of participants in clinical trials involving lung cancer. Race / eth ...

A student wonders if people of similar heights tend to date

A student wonders if people of similar heights tend to date each other. She measures herself, her roommate, and the women in adjoining rooms; then she measures the next man each woman dates. Here are the data (heights in ...

Consider a normal population with mu 47 and sigma 6

Consider a normal population with μ = 47 and σ = 6. Calculate the z-score for an x of 46.3 from a sample of size 26. (Give your answer correct to two decimal places.

A commuter airline flies airplanes that seat 14 passengers

A commuter airline flies airplanes that seat 14 passengers. From experience, they have learned that, on average, 85% of the passengers holding reservations for a particular flight actually show up for the flight. If they ...

According to pew research center 71 of internet users

According to Pew Research Center, 71% of Internet users accessed video-sharing sites in August2011. A random sample of 50 Internet users was selected. Using the normal approximation to thebinomial distribution, what is t ...

Exercises -81- for each of the following pairs explain why

Exercises - 8.1- For each of the following pairs, explain why you believe that they are positively related, negatively related, or essentially unrelated. If they are related, identify the dependent variable. a. The cost ...

The two-person game shown in table 1 has a unique nash

The two-person game shown in Table 1 has a unique Nash equilibrium (see Moulin and Vial, 1978) in which each player's expected payoff is 3.

Afire with faith 1820-18501 how did revivalism help people

Afire with Faith, 1820-1850} 1. How did revivalism help people adjust to the market? 2. Describe the range of antislavery positions, and mention at least three people who exemplified those different positions? 3. How did ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro