A researcher wishes to test the hypothesis that the mean age at first marriage for women in Texas is less than 23. In a sample of 46 Texas women, he finds that the average age is 25.8 with a standard deviation of 4. Calculate the test statistic to two decimal places?

The numbers on a football field indicate 10 yard increments. you walk around the perimeter of a football field between the pylons. you walk a distance of 30623 yards. find the area and perimeter of the indicated regions. write your answers as mixed numbers, if necessary. a. one end zone: perimeter: yd area: yd2 b. the playing field (not including end zones): perimeter: yd area: yd2 c. the playing field (including end zones): perimeter: yd area: yd2