Question 12 MarksIf $n=8, b=3.05$ and $a=23.56$ for a time series, find the estimated value of variable $y$ for $t=9$.AnswerFor $t=9, \hat{y}=51.01$View full question & answer→
Question 22 MarksIf $n=6, \bar{y}=55.33$ and $b=-0.06$, find the linear equation for trend.Answer$\hat{y}=55.54-0.06 t$View full question & answer→
Question 32 MarksIf $\bar{t}=3, \Sigma y=615$ and $\Sigma t y=1910$ for a time series, find the linear equation for trend.Answer$\hat{y}=103.5+6.5 t$View full question & answer→
Question 42 MarksThe linear equation for the trend of a time series is $\hat{y}=71.78-5.08 t$. State the values of $a$ and $b$. Also find the trend values for $t=6$ and $t=7$.Answer$a=71.78, b=-5.08$, For $t=6, \hat{y}=41.3$, For $t=7, \hat{y}=36.22$View full question & answer→
Question 52 MarksThe trend line for a time series of the production of sugar $($in quintals$)$ is $\hat{y}=55.9+6.7 t$. Find the trend value for $t=3$ and $t=5$.AnswerFor $t=3, \hat{y}=76$ quintal, For $t=5, \hat{y}=89.4$ quintalView full question & answer→
Question 82 MarksWrite a short note on cyclical component.Answerself-studyView full question & answer→
Question 102 MarksWhat do you mean by analysis of time series?Answerself-studyView full question & answer→
Question 112 MarksState the addition model of time series.Answerself-studyView full question & answer→