Consider the following hypothesis test. H0:  u1 -  u2 ≤ 0 Ha:  u1 -  u2 > 0 The following results are for two independent samples taken from the two populations. Sample 1 Sample 2 n 1 = 30 n 2 = 50 x 1 = 25.7 x 2 = 22.1 σ 1 = 5.6 σ 2 = 7 a.  What is the value of the test statistic (round to 2 decimals)? b.  What is the p-value (round to 4 decimals)? Use z-table. Use z-value rounded to 2 decimal places. c.  With  = .05, what is your hypothesis testing conclusion? p-value is  H0

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