Linear trend equation for time series

Assignment Help Basic Statistics
Reference no: EM1396619

The following data show the time series of the most recent quarterly capital expenditures (in billions of dollars) for the 1000 largest manufacturing firms: 24, 25, 23, 24, 22, 26, 28, 31, 29, 32, 37, and 42.

a. Develop a linear trend equation for the time series.

b. Graph the time series and the linear trend equation.

c. What appears to be happening to capital expenditures? What is the forecast one year, or four quarters, into the future?

Reference no: EM1396619

Questions Cloud

Assume that this population is in hardy- weinberg proportion : Albinism is an autosomal recessive trait in the clouded salamander (Aneides ferreus). In the main cave population at Oregon Caves National Monument, 100 salamanders are albino while 900 individuals are not (891 AA and 9 Aa). Assume that this popul..
Is the population in hardy-weinberg equilibrium : MN blood types were assessed for a population that consists of 100 individuals: 45 have blood type M, 30 have blood type MN and 25 have blood type N. Is the population in Hardy-Weinberg Equilibrium with regards to this locus? Show your calculation..
Examining a regression analysis : Prepare a paper examining a regression analysis on your collected data. Begin by describing the research issue, problem, or opportunity and the accompanying data. Then, perform a regression analysis on your data.
Importance of bacterial lawn : Why is important to get a bacterial lawn rather than isolated colonies on the plate? Does the zone of inhibition's edge indicate the limit of antibacterial agent diffusion into the agar?
Linear trend equation for time series : Develop a linear trend equation for the time series. Graph the time series and the linear trend equation. What appears to be happening to capital expenditures? What is the forecast one year, or four quarters, into the future?
How you might be able to sort a mixed population of cells : Hypothesize about how you might be able to sort a mixed population of cells into prokaryotes and eukaryotes. Try to be practical, build on your understanding of the differences between the two cell classes.
Determine whether starch hydrolysis had occurred : If iodine were not available, how would you determine whether starch hydrolysis had occurred? Some may see starch agar plate as an answer, however, isn't that already being used to grow the bacteria?
Reaction between the inoculating loop and hydrogen peroxide : Would a false positive from the reaction between the inoculating loop and hydrogen peroxide be caused by poor specificity or poor sensitivity of the test system? Explain.
Hypothesis test with given standardized test statistic : Find the P value for the indicated hypothesis test with the given standardized test statistic, z. Decide whether to reject H0 for the given level of significance deviation. Two-tailed test with test statistic z= -2.43 and standard deviation = 0.04..

Reviews

Write a Review

Basic Statistics Questions & Answers

  Scatter diagram-sample correlation-coefficient determination

What does the coefficient of determination tell you about the variation attendance and the variation in the number of exhibitors?

  Five steps of hypothesis testing

Use the five steps of hypothesis testing to determine whether the observed differences in the number of activities in the following table performed by the three groups are statistically significant at the .05 level of significance. Clearly indicat..

  Estimating the probability with the given data

A certain airplane has 2 independent alternators to provide electrical power. The probability that a given alternator will fail on a 1 hour flight is 0.02. What is the probability that (a) both will fail? (b) Neither will fail? (c) One or the othe..

  Null hypothesis to be tested-multinomial experiment

Consider a multinomial experiment involving n = 300 and k = 5 cells. The observed frequencies resulting from the experiment are shown in the accompanying table, and the null hypothesis to be tested is as follows:

  The proportion of all adults who feel the identical way

In a poll of 1,004 adults, 93% indicated that restaurants and bars should refuse service to patrons who have had too much to drink. Construct the 90% confidence interval for the proportion of all adults who feel the identical way.

  Rejection of the null hypothesis

Suppose that the results of the sample lead to rejection of the null hypothesis. Classify that conclusion as a:

  Cannondale variable expense variance

Assume that the master budget for Cannondale shows total variable expenses of $10,000. The budget was based on production of 5,000 units. Cannondale sells all units it produces.

  Critical value to test the significance

The regression equation is Y = 29.29 - 0.96X, the sample size is 8, and the standard error of the slope is 0.22. What is the critical value to test the significance of the slope at the 0.01 significance level?

  Problem related to least squares estimation

Suppose B^0 and B^1(beta hut 0 and beta hut 1) are the least squares estimates of B0 and B1 of the first model. Find the estimates of B0* and B1* in terms of B^0 and B^1.

  Develop a decision tree for the case of a company

Develop a decision tree for the case of a company operating at full capacity and with product demand rising. The choice is between new equipment and overtime.

  Develop a two-month moving average for this time series

To develop 3-month and 2-month moving average for the time series.The following data represents demand for company ABC's products for the last 10 months.

  What does the odds ratio mean here

A company wants to know if minorities are more likely to be in certain job categories than others. Their data base codes employees 1 for clerical, 2 for custodial, and 3 for manager. A logistic equation was fit to the data with SPSS.

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