In a particular year, the mean score on the ACT test was 18.7 and the standard deviation was 2.7. The mean score on the SAT mathematics test was 540 and the standard deviation was 101. The distributions of both scores were approximately Bell shaped. Round the answers to at least two decimal places.

What does the sign of the slope tell you about a line?

The zoo collects $9.60 for every 24 tickets sold. how much will be collected for 400 tickets?

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.