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Q: 4
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- Read measurements a-h on the enlarged 32nds and 64th graduated fractional rule shown in Figure 38-3.As a general rule, is it advisable to difference a time-series more than 1–2 times? Why or why not?Suppose the following are the seasonal indices for the first three quarters of the year for a quarterly series: Quarter Seasonal Index Q1 71.8 Q2 85 Q3 107.6 Remember that the seasonal indices should average 100 so you should be able to infer the seasonal index for Q4. Furthermore, suppose that the estimated coeffcients from a regression of the deseasonalized series on Time are given below: Coefficients Intercept 2,215 Time 59.3 If the original value of the series in a Q1 was 2,179, then what is the seasonally adjusted value? (please round your answer to 1 decimal place)
- 37 - The more than cumulative series graph of a classified frequency series is given below. What is the standard deviation value of the classified series?A) 44.39B) 44.16C) 43.61D) 45.42E) 43.17what is the value of the seriesAs a result of the experiment, data recorded in the form of a statistical series were obtained. find the range of variation and divide it into 9 intervals.
- There are 20 observations in a grouped series, and the geometric mean of the series was calculated as 6.28. So what is the ∑ log nimi value of the data?What can you observed in a time plot below? Explain each pattern observed. Is the series stationary? If not, why say so?The series is convergent from x=?, left end included (Y,N):? To x=?, right end included (Y,N):?