Mathematics, 12.11.2019 02:31 kaytlynnmeyer
Brad, a professor in the walton college of business, has taught data analysis for 3 years historically, during that time, his average grade is 70% with a standard deviation of 5%. he is disappointed in the results of his students and decides to try different teaching methods to improve their grades. in the spring of 2016, he develops on-line videos as a supplement to his class lecture. during that semester, his average grade is 71% from a sample of 49 students. the level of significance is 2.5%. what hypotheses is brad testing? 0 h0: μ .70 and ha: μ < .70 0 h0: μ s .71 and ha: μ > .71 0 h0: μ .70 and ha: μ > .70
Answers: 1
Mathematics, 21.06.2019 16:00, sharondot2398
Sam makes his sales calls according to a pattern. he travels either north or south depending on the calendar. some of his past trips were as follows: on february 17, april 24, june 10, september 19, and november 3 he drove north. on february 28, may 25, august 22, november 20, and december 18, he drove south. describe sams' pattern. in which direction will sam drive on oct4 and oct 24?
Answers: 1
Mathematics, 21.06.2019 18:30, edwinadidas9938
The border line of the linear inequality 4x + 7y < 5 is dotted true or false?
Answers: 2
Mathematics, 21.06.2019 19:00, kaylaamberd
What is the expression in factored form? -x^2 + 3x + 28 a. (x-7)(x-4) b. -(x-7)(x+4) c. (x+4)(x+7) d. -(x-4)(x+7)
Answers: 2
Brad, a professor in the walton college of business, has taught data analysis for 3 years historical...
Mathematics, 30.10.2019 22:31
Mathematics, 30.10.2019 22:31