a)Determine the appropriate component of time series for the situation below:The courier services industry continues to grow year after year due to theemergency of new technology.The increase in sales of face- masks due to pandemic Coronavirus (COVID-19).The higher occupancy rate at Merrinton Hotel during weekends compared to therate during weekdays.i)ii)iii)iv) Affordable smartphone sales shoot up as demand grows due to e-learning needs.v) The income of self-employed falls dramatically due to recession.

Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Answered: a) Determine the appropriate component…

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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How common are financial cost or contractual constraints associated with smartphone ownership? A survey of smartphone users found that 49% of the 18- to 29-year-olds, 40% of the 30- to 49-year-olds, 25% of the 50- to 64-year-olds, and 19% of those age 65 or older have reached the maximum amount of data they are allowed to use as part of their plan, at least on occasion: Suppose the survey was based on 200 smartphone owners in each of the four age groups: 18 to 29, 30 to 49, 50 to 64, and 65 and older The test statistic is χ2STAT = ? (Round to three decimial places)
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