MATH 1280 R Commands Cheat Sheet

Question 1 Not yet answered Marked out of 1.00 Home My courses MATH 1280 - AY2021-T3 Final Exam (Days 1 - 4) Final Exam (Proctored) There are 20 questions on this exam. You will see approximately four to six items on each screen. You are interested in the number of English-speaking people on the planet who want to play a new kind of online video game. You asked 300 college students if they were interested in playing video games, 100 said yes, and of them 20 preferred your game to an existing game that is widely used. How many people were in the sample? Select one: a. The number of English-speaking people on the planet who want to play a new kind of online video game. b. 300 c. 200 d. 100 e. 20 Clear my choice lOMoARcPSD|728 353 9 Question 2 Not yet answered Marked out of 1.00 Downloaded by Ru Mun () Question 3 Not yet answered Marked out of 1.00 What is the mean of x? x - c(12, 14, 11, 14, 13, 15, 12, 16, 10) Select one: a. 12 b. 13 c. 14 d. 15 e. 16 Clear my choice Using the value of x from the prior question, what is the standard deviation of x? Select one: a. 1 b. 3.75 c. 9 d. sqrt(13) e. 1.94 Clear my choice