I can't figure out what I'm doing wrong Electric power consumption is measured in kilowatt-hours (kWh). The local utility company offers an interrupt program whereby commercial customers thatparticipate receive favorable rates but must agree to cut back consumption if the utility requests them to do so. A certain company cuts back consumption at12:00 noon Thursday. To assess the savings, the utility must estimate the company's usage without the interrupt. The period of interrupted service was fromnoon to 8:00 p.m. Data on electric power consumption for the previous 72 hours are available.Time PeriodMondayTuesdayWednesdayThursday12-4 a.m.19,29131,21927,3404-8 a.m.33,19537,01432,7158-12 noon99,516119,978152,47512-4 p.m.124,299123,666156,0334-8 р.m.113,545111,727128,8898-12 midnight41,31048,12273,933(a) Is there a seasonal effect over the 24-hour period?O No, the time series plot indicates a horizontal pattern.O Yes, the time series plot indicates a seasonal effect with a possible linear trend.O No, the time series plot indicates a curvilinear trend with no seasonal effect.O No, the time series plot indicates a linear trend with no seasonal effect. (b) Compute seasonal indexes for the six 4-hour periods. (Round your answers to four decimal places.)SeasonalIndexAdjustedSeasonalIndexTime Period12-4 a.m..28964-8 a.m.8-12 noon12-4 p.m.4-8 p.m.8-12 midnight.7111(c) Use trend adjusted for seasonal indexes to estimate the company's normal usage (in kWh) over the period of interrupted service. (Round your answer tothe nearest integer.)X kWh

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Formula: S.I = (Mean of a particular time period)/(Mean of all time period) Adjusted S.I = S.I =…

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Electric power consumption is measured in kilowatt-hours (kWh). The local utility company offers an interrupt program whereby commercial customers that participate receive favorable rates but must agree to cut back consumption if the utility requests them to do so. A certain company cuts back consumption a 12:00 noon Thursday. To assess the savings, the utility must estimate the company's usage without the interrupt. The period of interrupted service was from noon to 8:00 p.m. Data on electric power consumption for the previous 72 hours are available. Time Period Monday Tuesday Wednesday Thursday 12-4 a.m. 19,291 31,219 27,340 4-8 a.m. 33,195 37,014 32,715 8-12 noon 99,516 119,978 152,475 12-4 p.m. 124,299 123,666 156,033 4-8 p.m. 113,545 111,727 128,889 8-12 midnight 41,310 48,122 73,933 (a) Is there a seasonal effect over the 24-hour period? O No, the time series plot indicates a horizontal pattern. O Yes, the time series plot indicates a seasonal effect with a possible linear trend. O No, the time series plot indicates a curvilinear trend with no seasonal effect. O No, the time series plot indicates a linear trend with no seasonal effect.

Electric power consumption is measured in kilowatt-hours (kWh). The local utility company offers an interrupt program whereby commercial customers that participate receive favorable rates but must agree to cut back consumption if the utility requests them to do so. A certain company cuts back consumption a 12:00 noon Thursday. To assess the savings, the utility must estimate the company's usage without the interrupt. The period of interrupted service was from noon to 8:00 p.m. Data on electric power consumption for the previous 72 hours are available. Time Period Monday Tuesday Wednesday Thursday 12-4 a.m. 19,291 31,219 27,340 4-8 a.m. 33,195 37,014 32,715 8-12 noon 99,516 119,978 152,475 12-4 p.m. 124,299 123,666 156,033 4-8 p.m. 113,545 111,727 128,889 8-12 midnight 41,310 48,122 73,933 (a) Is there a seasonal effect over the 24-hour period? O No, the time series plot indicates a horizontal pattern. O Yes, the time series plot indicates a seasonal effect with a possible linear trend. O No, the time series plot indicates a curvilinear trend with no seasonal effect. O No, the time series plot indicates a linear trend with no seasonal effect.

MATLAB: An Introduction with Applications

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Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

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Statements and Logic

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I can't figure out what I'm doing wrong

Electric power consumption is measured in kilowatt-hours (kWh). The local utility company offers an interrupt program whereby commercial customers that
participate receive favorable rates but must agree to cut back consumption if the utility requests them to do so. A certain company cuts back consumption at
12:00 noon Thursday. To assess the savings, the utility must estimate the company's usage without the interrupt. The period of interrupted service was from
noon to 8:00 p.m. Data on electric power consumption for the previous 72 hours are available.
Time Period
Monday
Tuesday
Wednesday
Thursday
12-4 a.m.
19,291
31,219
27,340
4-8 a.m.
33,195
37,014
32,715
8-12 noon
99,516
119,978
152,475
12-4 p.m.
124,299
123,666
156,033
4-8 р.m.
113,545
111,727
128,889
8-12 midnight
41,310
48,122
73,933
(a) Is there a seasonal effect over the 24-hour period?
O No, the time series plot indicates a horizontal pattern.
O Yes, the time series plot indicates a seasonal effect with a possible linear trend.
O No, the time series plot indicates a curvilinear trend with no seasonal effect.
O No, the time series plot indicates a linear trend with no seasonal effect.

(b) Compute seasonal indexes for the six 4-hour periods. (Round your answers to four decimal places.)
Seasonal
Index
Adjusted
Seasonal
Index
Time Period
12-4 a.m.
.2896
4-8 a.m.
8-12 noon
12-4 p.m.
4-8 p.m.
8-12 midnight
.7111
(c) Use trend adjusted for seasonal indexes to estimate the company's normal usage (in kWh) over the period of interrupted service. (Round your answer to
the nearest integer.)
X kWh

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