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Q.1 ૧. મોસમી ઘટકને કારણે સામયિક ચલમાં કયા પ્રકારના ફેરફારો થાય છે?

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Q.2 ૩. સુરેખ વલણ શોધવા માટે સુરેખ સમીકરણનું અન્વાયોજન કરવાની રીતનું નામ જણાવો.

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Q.3 ૫. સામયિક શ્રેણીનો નિરપેક્ષ ચલ જણાવો.

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Q.4 ૧૦. વલણ શોધવાની કઈ રીતથી ટૂંકા ગાળામાં પુનરાવર્તન પામતી વધઘટોની અસર સૌથી સારી દૂર થાય છે?

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Q.5 ૭. નીચેના પૈકી કયા ફેરફારો ચક્રીય ઘટકને લીધે છે તેમ કહેવાય?

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Q.6 ૯. નીચેનામાંથી કયા ફેરફારો મોસમી ઘટકની અસર છે?

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Q.7 ૪. સામયિક શ્રેણીનું યોગનીય મોડેલ કેવી રીતે દર્શાવાય છે?

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Q.8 ૬. સામયિક શ્રેણીના કયા ઘટકનું અનુમાન મેળવવું અશક્ય હોય છે?

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Q.9 ૨. ‘હડતાલને કારણે કોઈ એક કંપનીના ઉત્પાદનમાં થયેલો ઘટાડો’ કઈ વધઘટ દર્શાવે છે?

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Q.10 ૮. જાન્યુઆરી 2016થી ડિસેમ્બર 2016 સુધીની સામયિક શ્રેણીમાંથી મેળવેલ વલણનું સમીકરણ $\hat{y} = 30.1 + 1.5t$ હોય તો એપ્રિલ 2016 માટે વલણની કિંમત શોધો.