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tolong bantuannya . X = % kenaikan blaya advertensi Y = % kenaikan hasil penjualan x N a.) Hitung r dan r, apa artinya? b.)

tolong bantuannya

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. X = % kenaikan blaya advertensi Y = % kenaikan hasil penjualan x N a.) Hitung r dan r, apa artinya? b.) Formulasikan persamaan regresi sederhana antara X dan Y ! c.) Dengan menggunakan persamaan regresi sederhana, Jika X= 10, berapa ramalan nilai Y? d.) Dengan a = 5%, ujilah : Ho : B = 0. Juga ujilah Ho : p = 0 Ha : B 0 Ha : p 0

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