Subject	D-Serine Drug Dose	Sex	In a relationship?	PreTreatment Used Drugs past week?	Cognitive Battery Score	WCS Task error rate	Reflex latency
11	10	F	No	No	30	11	0.4
3	25	F	No	No	44	6	0.8
37	25	M	No	No	49	5	1.5
43	25	M	No	No	48	5	1.6
4	0	F	No	Yes	15	11	1.4
48	0	F	No	Yes	20	11	1.6
7	0	M	No	Yes	20	10	1.5
13	0	M	No	Yes	15	10	1.2
14	0	M	No	Yes	17	11	1.5
20	0	M	No	Yes	18	11	1.6
26	0	M	No	Yes	19	11	1.7
36	0	M	No	Yes	17	9	1.9
42	0	M	No	Yes	15	11	1.2
5	10	F	No	Yes	20	9	1.5
17	10	F	No	Yes	32	11	1.2
29	10	F	No	Yes	37	9	1.5
34	10	F	No	Yes	39	9	0.7
40	10	F	No	Yes	38	11	1.3
23	10	M	No	Yes	34	11	1.5
46	10	M	No	Yes	39	11	1.4
10	25	F	No	Yes	49	6	1.6
22	25	F	No	Yes	52	7	0.6
28	25	F	No	Yes	55	5	1.4
16	25	M	No	Yes	50	5	1.6
31	25	M	No	Yes	52	7	1.5
50	25	M	No	Yes	54	5	1.2
8	0	F	Yes	No	20	9	0.5
25	0	F	Yes	No	20	9	0.6
41	0	F	Yes	No	20	12	0.5
15	10	F	Yes	No	34	10	0.4
33	10	F	Yes	No	38	10	0.4
2	10	M	Yes	No	25	10	1.2
9	10	M	Yes	No	25	10	1.2
21	10	M	Yes	No	33	9	1.4
45	10	M	Yes	No	37	10	1.6
12	25	F	Yes	No	50	7	0.4
44	25	F	Yes	No	55	4	0.4
24	25	M	Yes	No	49	6	1.5
32	25	M	Yes	No	53	5	1.2
38	25	M	Yes	No	55	6	1.5
1	0	F	Yes	Yes	20	12	1.5
19	0	F	Yes	Yes	20	10	1.2
35	0	F	Yes	Yes	15	10	1.5
47	0	F	Yes	Yes	21	12	1.2
27	10	F	Yes	Yes	35	10	1.2
39	10	F	Yes	Yes	40	10	1.5
49	10	M	Yes	Yes	39	9	1.5
6	25	F	Yes	Yes	45	7	1.6
18	25	F	Yes	Yes	51	6	1.4
30	25	M	Yes	Yes	54	6	1.3

Question 1. ANOVAUse Dataset 4

A, Run a two-way ANOVA to compare how Sex and Pretreatment Drug Use affected reflex latency scores. Please report the F scores, degrees of freedom, p values for both main effects and the interaction effect, and your conclusions.

B. Generate a bar graph or line plot of the data. Make sure all four groups are represented and indicate Main Effects and or Interaction effect in a small figure legend.

C. Briefly explain what the difference is between a Main Effect and an Interactive Effect.

2. Chi-SquareUse Dataset 4

A. Access whether Relationship status is significantly linked to Pretreatment Drug use in past week reports in this sample. Please provide the statistical test used, the degrees of freedom, the value of this test, the p-value and your conclusion. (5 points)

B. Please provide a contingency table of this data, complete with observed and expected results of the Pretreatment reported drug use. (4 points)

C. What distribution is used to determine the significance of this test? (3 points)

D. What type of data is used in a Chi Square Test?(3 points)