Question

4.10 Using the samples of 10, 20, and 30 female mosquitofish lengths from exercise 1.2, com- pute the mean and standard deviation for these samples using a computer. Consider the measurements in Digital Appendix 1 to be the

Answer 1

Sarmes_10, 20, 30---- __Maan - 34.29 Skle deviation - 5.49 x P०९. Many | P०१. 9 34.२१ वी 547 Ex- ------- x=2 Zx = 34.29 nalo Sample mean sample std.deviation Sa4-7- s=1 h Ea S 4 (5.५५) = (5.287) n-20 - Sample mean x = 34.29 _Seraple _sh - - २ (5.147) _____-_562 दू,3429 -S- 10 (5-५१) 5.5डो onean ernal to population man put. so not equal to Population sta obviation Sample sample