# Question

Can you conclude at the a = 0.05 level that the median number of species is greater for a retentions time of days than for a retention time of 3 days? Compute the appropriate test statistic, find the P- value and state a conclusion.

## Answer to relevant Questions

What are the primary differences between a randomized experiment and an observational study? Construct a dotplot for the data in Exercise More freshmen: For the data in Exercise 6: a. Construct a frequency polygon. b. Construct a relative frequency polygon. c. Construct a frequency o give. d. Construct a relative frequency o give. Construct a histogram based on this relative frequency distribution. Is the histogram unmoral or bimodal? Describe the sleekness, if any, in these data. Can you conclude ate the a = 0.05 level that the median number of species for a retention time of 30 days differs from the median for retention time of 12 days? Compute the appropriate test statistic, find the P- value and ...Post your question

0