Question: 1)The null hypothesis is accepted and there is not a significant difference. 2)There is a significant difference and therefore productivity increased as a result of

1)The null hypothesis is accepted and there is not a significant difference. 2)There is a significant difference and therefore productivity increased as a result of the new manufacturing process. 3)There is not a significant difference and therefore productivity did not improve. 4) Because the means are not given in the problem it is not possible to make a conclusion.: comparing before and after productivity samples using an independent samples t test. The t is calculated to be -3.27 with a P value of .032. Testing at the P < .05 level of significance, what can we conclude

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