Mathematics, 28.06.2019 09:20 july00
Chapter exercise 15-32 a survey of 189 statistics students asked the age of car usually driven and the student’s political orientation. the car age was a numerical variable, which was converted into ordinal categories. at α = .10, are students’ political views independent of the age of car they usually drive? age of car usually driven politics under 3 3–6 7 or more row total liberal 19 12 13 44 middle-of-road 33 31 28 92 conservative 16 24 13 53 col total 68 67 54 189 click here for the excel data file (a) the hypothesis for the given issue is h0: political orientation and age of car are independent. yes no (b) calculate the chi-square test statistic, degrees of freedom, and the p-value. (round your test statistic value to 2 decimal places and the p-value to 4 decimal places.) test statistic d. f. p-value (c) we reject the null and find dependence. yes no
Answers: 3
Mathematics, 21.06.2019 14:30
What are the relative frequencies, to the nearest hundredth, of the rows of the two-way table? group 1: a 15 b 45 group 2: a 20 b 25
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Mathematics, 21.06.2019 20:00
Which of these numbers of simulations of an event would be most likely to produce results that are closest to those predicted by probability theory? 15, 20, 5, 10
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Mathematics, 21.06.2019 23:00
Car a and car b were in a race .the driver of car b claimed that his car was twice as fast as car a
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Mathematics, 21.06.2019 23:10
Which best describes the function on the graph? direct variation; k = −2 direct variation; k = -1/2 inverse variation; k = −2 inverse variation; k = -1/2
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Chapter exercise 15-32 a survey of 189 statistics students asked the age of car usually driven and t...
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