# Question: Test the following sequence of observations by using the runs

Test the following sequence of observations by using the runs test and α = .05 to determine whether the process produced randomresults.

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Test the following sequence of observations by using the runs test and α = .05 to determine whether the process produced randomresults.Use the Mann-Whitney U test and the following data to determine whether there is a significant difference between the values of group 1 and group 2.Let α = .05.Group 1 .. Group 215 ..... 2317 ...... 1426 ...... 2411 ...Use the Wilcoxon matched-pairs signed rank test and α = .05 to analyze the before-and-after measurements given. Assume the underlying distributions are symmetrical.Before ... After49 .... 4341 .... 2947 .... 3039 .... 3853 ...Does the asking price of a new car vary according to whether the dealership is in a small town, a city, or a suburban area? To test this question, a researcher randomly selects dealerships selling Buicks in the state of ...The following data are the ranks for values of the two variables, x and y. Compute a Spearman’s rank correlation to determine the degree of relation between the twovariables.Post your question