You may need to use the appropriate technology to answer this question. To test for any significant difference in the number of hours between breakdowns for four machines, the following data were obtained. a) At the =0.05 level of significance, what is the difference, if any, in the population mean times among the four machines? State the null and alternative hypotheses. H0:1=2=3=4 Ha: Not all the population means are equal. F2+siar= -istrierel. Frest +4 in RNy ikse fotwitid x1r4+ You may need to use the appropriate technology to answer this question. To test for any significant difference in the number of hours between breakdowns for four machines, the following data were obtained. a) At the =0.05 level of significance, what is the difference, if any, in the population mean times among the four machines? State the null and alternative hypotheses. H0:1=2=3=4 Ha: Not all the population means are equal. F2+siar= -istrierel. Frest +4 in RNy ikse fotwitid x1r4+