A linear model shows that the relationship between the number of grocery items purchased and the total cost of the grocery bill has a correlation coefficient of 0 97 Which statement about the variables is true O There is a strong relationship between the number of items purchased and the total cost of and the total cost of the grocery bill Purchasing more items cause a higher cost of grocery bill O If a grocery bill has a higher cost then more items must have been purchased O There is no relationship between the numbers of items purchased and the total cost of the grocery bill