Public Relations Department of health products, he needs to know Television advertising is related to the sales of goods or not.
he collected advertising time (seconds) from 7 when different and sales per
.Week (million), the past, the following information
The public relations department, health products. He wants to know advertisements from television media sales relationship with an item or not.
He has filed the advertising time (seconds) from 7 different episodes and merchandise sales per.
Week (million baht) has the following information: