In: Statistics and Probability
In US, the mean weekly earning of male works was $1005 last year. A random sample of 50 female workers, their weekly earnings also last year in dollars are provided in the following table.
560 |
360 |
688 |
1301 |
49 |
582 |
751 |
4131 |
3211 |
646 |
1312 |
1931 |
764 |
297 |
232 |
699 |
88 |
364 |
1111 |
427 |
1235 |
494 |
3430 |
298 |
245 |
448 |
785 |
1931 |
994 |
152 |
875 |
920 |
826 |
756 |
440 |
448 |
295 |
646 |
896 |
353 |
619 |
887 |
1079 |
59 |
219 |
1019 |
1001 |
411 |
1217 |
562 |
At the 5% significance level, do the data provide sufficient evidence to conclude that last year the mean weekly earnings of female workers are less than the mean weekly earnings of male workers?