Weeds among the corn Velvetleaf is a particularly annoying weed in cornfields. It produces lots of seeds, and the seeds wait in the soil for years until conditions are right for sprouting. How many seeds do velvetleaf plants produce? The Fathom histogram below shows the counts from a random sample of 28 plants that came up in a cornfield when no herbicide was used.20 Explain why it would not be wise to use a t critical value to construct a confidence interval for the mean number of seeds m produced by velvetleaf plants.

STA 4202/5125/5206 Solution for Assignment # 1 Solution to Problem #1 (A) Assume equal variance; small sample sizes H 0 μ1– μ2= 0 H A μ1– μ2≠ 0 (two-sided) Pooled sample variance: (n1− 1 s 1 n − 2 s ) 2 (10 − 1 19.5 + 12 − 1 12.5 175.5 + 137.5 Sp = = = = 15.65...