Forecast the average annual food price index using

Assignment Help Basic Statistics
Reference no: EM13614971

The following table shows six years of average annual cost-of-living index data:

Year

Annual Cost of Living Index

2008

105.8

2009

111.4

2010

121.9

2011

134.3

2012

128.6

2013

125.2

 

 

 

 

 

(a) Forecast the average annual food price index for all years from 2008 to 2013. Use a 3-year weighted moving average with weights of 0.5, 0.3, and 0.2. Use the largest weight with the most recent data.

(b) Forecast the average annual food price index using exponential smoothing with ? = 0.7 for all years from 2008 to 2014. Use the rate for 2008 as the starting forecast for 2008.

(c)   Which of the methods in parts (a) and (b) produces better forecasts for the 3 years from 2011 to 2013? Answer on the basis of mean square error (MAD).

Reference no: EM13614971

Questions Cloud

Coefficient of linear expansion for brass 2010-5 degc-1 : a very thin sheet of brass contains two thin parallel slits. when a laser beam shines on these slits at normal
A specific automotive part that a service station stocks in : a specific automotive part that a service station stocks in its inventory has an 8 chance of being defective. suppose
A skateboarder starts up a 10--high 30 ramp at a speed of : a skateboarder starts up a 1.0--high 30 ramp at a speed of 5.1 . the skateboard wheels roll without friction. how far
Dring 2004 xyz company recorded salaries expense of 85000 : during 2004 xyz company recorded salaries expense of 85000. thesalaries payable account at january 1st had a balance of
Forecast the average annual food price index using : the following table shows six years of average annual cost-of-living index datayearannual cost of living
What is the probability that the return is between 4 : use the information below for the following four questions. the return on a corporate bond is distributed as a uniform
Does anyone know why the interest coverage ratio for abank : does anyone know why the interest coverage ratio for abank would be so low? i am getting results ofabout 1.3 times
A student club has 40 members including stacy and tom a in : a student club has 40 members including stacy and tom.a in how many ways can the club elect different individuals to
What tax advantage does a series ee us government savings : what tax advantage does a series ee u.s. government savings bond due in three years have over a bank cd due in three

Reviews

Write a Review

Basic Statistics Questions & Answers

  Find the critical region for a test that is uniformly mast

suppose we observe a random variable x having the exponential distribution with parameter a which means that x has

  Interpret a scatter diagram1 describe the relationship

interpret a scatter diagram.1. describe the relationship between the hours each student of a school spends in after

  Find confidence interval for the true proportion of patients

Find a 95% confidence interval for the true proportion of patients who experienced cotton mouth. Show your calculations and/or explain the process used to obtain the interval.

  Hypothesis-tests and errors

With each hypothesis, indicate whether the appropriate analysis would be a one-tailed test or a two-tailed test and indicate a type I and type II error, given the context of the hypothesis.

  What is the probability of getting one marble of each color

A jar contains 2 black marbles and 8 white marbles. If you randomly pick 2 marbles without replacement, what is the probability that you get one marble of each color?

  Hypothesis testing using samples

A study by Hewitt Associates showed that 79% of companies offer employees flexible scheduling. Suppose a researcher believes that in accounting firms this figure is lower.

  Airline travelers often choose which airport to fly from bas

Airline Travelers often choose which airport to fly from based on flight cost. Cost data (in dollars) for a sample of flights to eight cities from Dayton, Ohio, and Louisville, Kentucky, were collected to help determine which of the two airports was ..

  Find test value for hypothesis

This semester a sample of 55 students revealed an average cost of books of $415 per student. The Dean of Students believes that the costs are greater this semester. What is the test value for this hypothesis?

  Create statistical null and alternative hypotheses

Generate the statistical null and alternative hypotheses. Describe what information the effect size would tell you that the probability value would not tell you.

  Mentioning hypotheses and decision rule

At 5% level of significance, is true mean smaller than specification? Clearly mention your hypotheses and decision rule.

  Find probability that tires will last at most given miles

If the value of y is 11 thousands, find the probability that these tires will last at most 15,227 miles. You MUST write your answers with 3 decimal places.

  Interpret the following table showing the percentage

Interpret the following table showing the percentage of individuals on a low-fat or low-cholesterol diet by gender and age.

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