Assuming that trend is absent, determine if there is any seasonalityin the data given below:3rd Quarter4th QuarterYear1st Quarter2nd Quarter19771978197919803.73.74.03.34.13.94.14.43.33.63.34.03.53.63.14.0what are the seasonal indicies for various quarters.

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Answered: Assuming that trend is absent,…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Following shows the numbers of Amazon Prime members in the millions, each quarter from 2016 to 2021. Quarter 2016 2017 2018 2019 2020 2021 1 26 36 48 62 81 98 2 27 37 50 65 83 103 3 29 40 53 69 86 109 4 33 44 57 74 93 117 Construct a line chart using the data. Describe the relationship between the time and number of subscribers.
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1.37 Fur seals on St. Paul Island. Every year, hundreds of thou- sands of northern fur seals return to their haul-outs in the Pribilof Islands in Alaska to breed, give birth, and teach their pups to swim, hunt, and survive in the Bering Sea. U.S. commercial fur sealing operations continued on St. Paul until 1984, but despite a reduction in harvest, the population of fur seals has continued to decline. Possible reasons include climate shifts in the North Pacific, chang- es in the availability of prey, and new or increased interac- tion with commercial fisheries that increase mortality. Here are data on the estimated number of fur seal pups born on St. Paul Island (in thousands) from 1979 to 2014, where a dash indicates a year in which no data were collected:28 FURSEALS Arco Images GmbH/Alamy
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Assuming that trend is absent, determine if there is any seasonality in the data given below: TIT 1st Quarter 3rd Quarter 4th Quarter Year 1977 1978 1979 1980 3.7 3.7 4.0 3.3 2nd Quarter 4.1 3.9 4.1 4.4 3.3 3.6 3.3 4.0 3.5 3.6 3.1 4.0 what are the seasonal indicies for v arious quarters.