Of a sample of 77 students, 60 were single and 40 were women. if 35 of the women were single, how many men were married?

What situation is an example of an observational study

11. minitab software was used to find the lsrl for a study between x=age and y=days after arthroscopic shoulder surgery until an athlete could return to their sport. use the output to determine the prediction model and correlation between these two variables. predictor coef se coef t p constant -5.054 4.355 -1.16 0.279 age 0.2715 0.1427 1.9 0.094 r-sq = 31.16%

Find the value of the variable and the length of each secant segment.