Weights were measured for 5 female and 5 male beetle pupae. Test the hypothesis of no difference in mean weight of females and males versus the alternative that a difference exists. Use a 5% level of significance.
Pupae Weight (g)
Females Males
1.2 0.7
1.4 1.2
0.9 0.9
1.3 0.8
1.0 1.0