Atoy manufacturer wants to know how many new toys children buy each year. assume a previous study found the standard deviation to be 1.5. she thinks the mean is 6.9 toys per year. what is the minimum sample size required to ensure that the estimate has an error of at most 0.11 at the 80% level of confidence? round your answer up to the next integer.

When only separate discreet points are graphed it is called?

Create a graph for the demand for starfish using the following data table: quantity/price of starfish quantity (x axis) of starfish in dozens price (y axis) of starfish per dozen 0 8 2 6 3 5 5 2 7 1 9 0 is the relationship between the price of starfish and the quantity demanded inverse or direct? why? how many dozens of starfish are demanded at a price of five? calculate the slope of the line between the prices of 6 (quantity of 2) and 1 (quantity of 7) per dozen. describe the line when there is a direct relationship between price and quantity.

Sara made $253 for 11 hours of work. at the same rate how much would he make for 7 hours of work?