Mathematics, 25.01.2020 00:31 pippalotta
Aresearcher wants to determine whether the number of minutes adults spend online per day is related to gender. a random sample of 315 adults was selected and the results are shown below. calculate the chi-square test statistic x2 to determine if there is enough evidence to conclude that the number of minutes spent online per day is related to gender. minutes spent online per day gender 0-30 30-60 60-90 90+male 75 45 25 35 female 30 45 45 15 a) 19.874 b) 18.146 c) 20.912 d) 21.231
Answers: 1
Mathematics, 21.06.2019 20:00
Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?
Answers: 3
Mathematics, 21.06.2019 21:30
Consider the following equation. 1/2x^3+x-7=-3sqrtx-1 approximate the solution to the equation using three iterations of successive approximation. use the graph below as a starting point. a. b. c. d.
Answers: 3
Aresearcher wants to determine whether the number of minutes adults spend online per day is related...
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