pool the data into one sample of size n=250. Use the pooled data to test whether the distribution of the percent wound healing is approximately normal. Specifically, use the following distribution: 30%, 40%, 20% and 10%. Run the appropriate test at a =0.05.

Treatment	0-25%	26-50%	51-75%	76-100%	N
New Compound	15	37	32	41	125
Placebo	36	45	34	10	125