Assignment 1

 

DUE DATE: 1/21/03

 

For data sets in Examples 1 and 2, write two different input statements that will correctly read the data.  For example 3, write one input statement, recode item 2, and sum the scale.  Use PROC PRINT to verify that the data are being properly read and transformed.  Turn in paper copy of all five programs (logs and outputs) before lab on Wednesday, the 21st.

 

1.  First Example (1 point)

Col

 

1-7

Responses to a seven-item survey

9-10

Age

12-14

IQ

16

Sex 1=F, 2=M

Data:

2234243 22  98 1

3424325 20 105 2

3242424 32  90 3

 

2.  Second Example (1 point)

Col

 

2-8

First name

10-16

Last name

21-27

Phone number

29-31

GPA

**Add a decimal point to the GPA so that Francis Smith has a 2.56 GPA.

 

Data:

 Francis Smith     2234243 256                                                                                                         

 John    Wolf       3424325 289                                                                                                         

 Jean    Adams     3244242 300                                                                                                          

 Alice   OConnel   3242323 383

 

3.  Third Example (1 point)

Card (Line, record)1

 

1-9

Social Security Number

10

Sex 1=F, 2=M

11-12

Age

Card 2

 

9-17

Nine different Likert type items 1=SD, 4=N, 7=SA

Card 3

 

1-8

DOB

Recode the second item so that 7 becomes 1, 1 becomes 7, etc.

Create a scale named ‘Total’ by calculating the sum of the 8 items. 

 

Data:

2782818361

        555454555

12161952

287989879 18

        453555344

 4281976

 

  1. Use the data in Hays Exercise 20 (p. 202) to find the mean, median, sample variance and sample standard deviation.  Find the z-scores of the first five observations in the first row (18, 27, 30, 26, 28)..  Do this by hand.  Show (turn in) your work.  (2 points for all)