1.)Two asthma medications are being compared for number of pumps in one week. Set up and interpret the results of a Mann-Whitney U Test with an alpha of .05.

Medication A	4	7	7	9	12
Medication B	5	5	6	7	10

2.Data was collected in Texas about the relationship between timing of a condition and the subsequent survivorship of patients. What test would we use to ask "Does the time of disease (expressed in months) affect the survivorship probability of patients?"

3.A scientist wants to know if there is a difference between the number of flu cases among men and women in different counties. Below are the flu cases per county. Is there any difference in flu cases between men and women? Use a paired t-test to calculate the difference, if any.

County	Men	Women
1	573	481
2	482	343
3	377	383
4	390	380
5	535	454
6	414	425
7	438	393
8	410	435
9	418	422
10	368	346
11	445	443
12	383	342
13	391	378
14	410	402
15	433	100
16	405	360
17	340	373
18	328	373
19	400	412

4.) How would you, as a researcher, perform a Mann-Whitney U test?

5.)The mean lab results of medication 1 (Y₁) and medication 2 (Y₂) were measured. Is there a correlation of these two measurements across medications?

Y1	Y2
.631	.140
.644	.139
.612	.140
.632	.141
.675	.155
.653	.148
.655	.146
.615	.136
.712	.159
.626	.140