8. True or false, and explain briefly— (a) If you add 7 to each entry on a list, that adds 7 to the average. (b) Ifyouadd7toeachentryonalist, thatadds7totheSD. (c) ,thatdoublestheaverage. (d) If you double each entry on a list, that doubles the SD. (e) If you change the sign of each entry on a list, that changes the sign of the average. (f) If you change the sign of each entry on a list, that changes the sign of the SD.

Which of the following equations is of the parabola whose vertex is at (2, 3), axis of symmetry parallel to the y-axis and p = 4? a.)y-3 = 1/16 (x-2)^2 b.)y+3 = -1/16 (x+2)^2 c.)x-2 = 1/16 (y-3)^2

Asquare has a side that measures 11 units. what is the area of a circle with a circumference that equals the perimeter of the square? use 3.14 for π, and round your answer to the nearest hundredth. 1519.76 units2 379.94 units2 616.56 units2 154.14 units2

Formulate the indicated conclusion in nontechnical terms. be sure to address the original claim. the foundation chair for a hospital claims that the mean number of filled overnight beds is over 523, and she is therefore justified starting a funding campaign to add a wing to the hospital. assuming that a hypothesis test has been conducted and that the conclusion is failure to reject the null hypothesis, state the conclusion in nontechnical terms.