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[1) (Concepts) Determine Whether the statement is True or False. You do not need to explain. (a) The error or raidual may or may not be positive. (b) The mefcient of determination is a number greater than zero. (1:) In one way,' ANOVA, the grand mean is the sum of all data. (d) Scatter plot is one way to determine whether a data has a linear trend. (2) TurkeyCramer procedure is used when we fail to accept Ha. (f) One of the assumptions in ANOVA is equal variances that is 9? = 0% = . . . = 9:: (g) The standard deviation of the data? {13 13 ]s _1: _1: _1: _I: _]' _1} is zero. (*1) 2:1(20: 2 - 3 = 6