1. Scores on the LSAT form a normal distribution with a mean = 1300 and a standard deviation = 30. Over ten thousand students were assessed. A. Find the range of values that defines the middle of the distribution of SAT scores and tell me how you discovered this answer? B. What is your PERCENTILE if you scored a 1330?

1. For each of the following z-scores, what is the area beyond the z-score in the tail?

A..40

B. -3.0

C.1.78

For each of the following z-scores, what is the area between the mean and each z-score?

A,-.40

B. 1.2

1. Please examine the data below:

Participant	Years of Domestic Violence	Number of PTSD symptoms manifested in 6 month period
1	3	7
2	22	23
3	17	7
4	7	4
5	12	8
6	11	9
7	18	22
8	23	40
9	27	33
10	12	13
11	11	8
12	4	8
13	2	2
14	18	23
15	5	16
16	7	19
17	8	19
18	9	22
19	33	61
20	2	4

The above data is your research at a treatment facility for trauma survivors. You have 20 clients that have been the victims of horrific domestic violence. Your hypothesis states that survivors that have lived in an abusive relationship for a longer time will manifest more severe PTSD symptoms.

1. How will you analyze this data?JUSTIFY WHY YOU CHOSE THIS TEST
2. WRITE hypotheses in mathematical expression
3. Compute the correct statistical analysis on this data set. COPY OUTPUT MATRICES HERE.
4. Report your findings. Be sure that you explain what your statistic means.

1. Please submit a scatter plot from SPSS for the data in Question 8.

1. 10 pointsRingo ,Paul, John and George are all given the Holmes and Rahe Stress Scale. We know the following: = 170. = 50.This is normally distributed data.Please fill in the following table:

Name Raw Score z score Percentile

Ringo	120
Paul		0
John			85th
George	320

EXTRA CREDIT QUESTION

Tell me about the students here at Bristol! A survey was sent to 7,000 students asking them about their marital status; the number of hours that they work each week; and their order of birth in their family. What type of data are we accruing for each of these variables?

1. For the first variable of marital status, what type of data is this?
2. For the second variable, hours worked each week, what type of data is this?
3. For the last variable, order of birth in the family, what type of data is this?