TABLE 4 28.12965 4VL8+SzGoessnsse 4.741481 0.002104 m oTable.en runan 2104.47174
ID: 3321596 • Letter: T
Question
TABLE 4 28.12965 4VL8+SzGoessnsse 4.741481 0.002104 m oTable.en runan 2104.471745276 oo tos degrees of fr 11. Refer to Table 4. What is SSE and MS 33 F STE 12. Refer to Table 4. What is the t statistic for the dummy variable q1 and for the slope of the time trend (for variable t, that is)? 13. Refer to Table 4. is the coefficient for q1 statistically different from zero at level of significance -ool? How about the coefficient for t, is it statistically different from zero? 14. Refer to Table 4. What is your forecast for Quarter 1 of the fourth year? How about your forecast for Quarter 4 of the fifth year?Explanation / Answer
As asked to answer Q13 and Q14, answering these questions.
Q13.
The p-value to test the null hypothesis that the variable q1 is equal to 0 against the alternate hypothesis that the variable q1 is statistically different from 0 is 7.04 * 10-5
This p-value is less than the level of significance 0.01
Hence, we reject the null hypothesis at 0.01 level of significance
and conclude that the variable q1 is statistically different from 0.
The p-value to test the null hypothesis that the variable T is equal to 0 against the alternate hypothesis that the variable T is statistically different from zero is 0.022578
This p-value is greater than the level of significance 0.01
Hence, we fail to reject the null hypothesis at 0.01 level of significance
and conclude that the variable T is not statistically different from 0.
Q14.
Forecast for quarter 1 of 4th year
= 2306.667 + 23.125 * 4 - 642.292
= 1756.875
Forecast for quarter 4 of 5th year
= 2306.667 + 23.125 * 5
= 2422.292
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