Suppose iq scores were obtained from randomly selected couples. for 20 such pairs of people, the linear correlation coefficient is 0.899 and the equation of the regression line is modifyingabove y with caret equals 0.98 plus 0.97 x, where x represents the iq score of the husband. also, the 20 x values have a mean of 98.03 and the 20 y values have a mean of 96.05. what is the best predicted iq of the wife, given that the husband has an iq of 104? use a significance level of 0.05.

Larry bar opened a frame shop and completed these transactions: larry started the shop by investing $41,100 cash and equipment valued at $19,100 in exchange for common stock. purchased $180 of office supplies on credit. paid $2,300 cash for the receptionist's salary. sold a custom frame service and collected $5,600 cash on the sale. completed framing services and billed the client $310. what was the balance of the cash account after these transactions were posted?

How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !

The avenues in a particular city run north to south and are numbered consecutively with 1st avenue at the western border of the city. the streets in the city run east to west and are numbered consecutively with 1st street at the southern border of the city. for a festival, the city is not allowing cars to park in a rectangular region bordered by 5th avenue to the west. 9th avenue to the east, 4th street to the south, and 6th street to the north. if x is the avenue number and yis the street number, which of the following systems describes the region in which cars are not allowed to park? 5th ave 9th ave