42 Listed below are the numbers of triplets born in a country each year beginning with 1995. Is there a trend? The first year is given in the top left, and the years increase by 1 from left to right.4597 53026050679667456825674968307043 O682860176217580657395776518551944422Choose the correct time-series graph below.OA.O B.В.Oc.OD.800080002 6000-4000E800080006000-6000-6000-400040004000-E2000-2000-2000-2000-19942014199420141994201419942014YearYearYearYearComment on any trends. Choose the correct comment below.O A. There was a steep increase over the first four years, which leveled out for a few years before the number of triplets began to show a decreasing trend.O B. There was an increasing trend for about 10 years, after which the trend became approximately level. There was a substantial decreasing trend in the last few years.c. The data show a rapidly increasing trend, which levels out for about 10 years, and then rapidly decreases.D. The data show a slowly increasing and then slowly decreasing trend.sng jaydu

Time series graph is plotting the data in a time (or) chronological order, to detect whether the…

Answered: Listed below are the numbers of…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

Construct a time-series plot for the following number of customers shopping at a new mall during a given week. Day Number of Customers Monday Tuesday Wednesday Thursday Friday Saturday 525 540 469 500 586 640
In many business applications, forecasts for future values of time series, such as sales and earnings, are made exclusively on the basis of past information on the time series in question. What features of time-series behavior are exploited in the production of such forecasts?
Which one of the following components represents the basic tendency of the series? a. Secular Trend b. Seasonal Variations c. Cyclic Variations d. Irregular Variations
For “weekly number of Covid-19 patients for your local area over the past 2 years”, what sort of time pattern(s) would you expect to see? Draw an imaginary time series plot for this variable and explain the patterns you expect by giving your reason.
The following table shows monthly earnings of a given group of employees. Monthly earnings (000). N.o of employees 20_30 50 30_40 69 40_50 70 50_60 90 60_70 52 70_80 40 Required:compute the following Arithmetic mean Median Mean deviation Coefficient of variation Distinguish between spatial series and time series
[11 A service engineer receives on average an emergency call every 3 hours. If the time between calls follows an exponential distribution, calculate the probability that the time from one emergency call to the next is (a) greater than 3 hours (b) less than 4.5 hours 03679 (b) 0.7769 | 2 @ 03247 () 05831
An Apple smartwatch has an expected lifespan of 1460 days. The lifespan of this type of clock can be assumed to follow an exponential distribution. a) What is the probability that the smartwatch works for at least 1200 days but at most 1500 days? b) Alex has had his smartwatch for 1460 days. What is the probability that the smartwatch works after 1560 days, given that it works after 1460 days?
The _______distribution is used to measure the time that elapses between occurrences of an event, such as the time between 'hits' on an internet home page. Select one: a. exponential b. binomial c. uniform d. poisson
(b) The following data represent the Coca-Cola's revenues (in $ hundred millions) during 2019-2022. Quarter 2019 2020 2021 2022 Oct-Dec Jan-Mar Apr-Jun Jul-Sep 44 56 55 49 45 53 54 49 41 54 53 48 45 57 58 52 (i) Plot the series in a line graph. Do you find any seasonal pattern? Calculate the seasonal index and interpret. (ii) Deseasonalized the data and fit a linear trend to the deseasonalized series. (iii)Obtain the deseasonalized forecasts and seasonal forecasts for 2023 revenues. In which quarter, the seasonal forecast has the most? The least? Is this logical? (iv) To estimate a regression model using seasonal binaries, set up a data set. If the estimated regression using seasonal binaries is given by Revenues = 48.31+ 0.12Time – 5.39 Qtr 1+ 5.74 Qtr 2+ 5.62 Qtr 3 Find the forecast the revenues for each quarter in 2023 and compare the forecasts in (iii).
The distance between two subsequent rust attacks is exponentially distributed with parameter λ (the distancebetween subsequent events in a Poisson process is exponentially distributed), and we still assumethat λ = 5 per kilometer.a) What is the expected distance between two successive rust attacks?b) What is the probability that the distance between two successive rust attacks is more than 200meters?c) What is the probability that the distance between two successive rust attacks is less than300 meters?d ) What is the probability that the distance between two subsequent rust attacks is between 200and 300 meters?
Solve the problem.Suppose the number of babies born during an 8-hour shift at a hospital's maternity wing follows a Poisson distribution with a mean of 6 an hour. Find the probability that five babies are born during a particular 1-hour period in this maternity wing. Select one: A. 0.020078 B. 0.000934 C. 0.160623 D. 0.000063
q1- Collina's Italian Cafe in Houston, Texas, advertises that carryout orders take about 25 minutes. Assume that the time required for a carryout order to be ready for customer pickup has an exponential distribution with a mean of 25 minutes. A particular customer lives 15 minutes from Collina's Italian Cafe. If the customer places a telephone order at 5:20PM., what is the probability that the customer can drive to the cafe, pick up the order, and return home by 6:00PM?

SEE MORE QUESTIONS

Recommended textbooks for you

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

Elementary Statistics: Picturing the World (7th E…

Statistics

ISBN:

9780134683416

Author:

Ron Larson, Betsy Farber

Publisher:

PEARSON

The Basic Practice of Statistics

Statistics

ISBN:

9781319042578

Author:

David S. Moore, William I. Notz, Michael A. Fligner

Publisher:

W. H. Freeman

Introduction to the Practice of Statistics

Statistics

ISBN:

9781319013387

Author:

David S. Moore, George P. McCabe, Bruce A. Craig

Publisher:

W. H. Freeman

SEE MORE TEXTBOOKS