1) The crime rate in a state in the USA and the unemployment rate in the state are given below by

periods.

FOR THE INDEPENDENT VARIABLE, THE TOTAL NUMBER

OF FIGURES WILL BE DIVIDED TO 10.

2

4

5

6

- FOR THE DEPENDENT VARIABLE, THE LAST 2 HOURS OF

Crime

w

6

15

19

THE NUMBER WILL BE FOUND BY THE COEFFICIENTS

INDICATED BELOW.

Rate

Unemploy 0,8

IF THE LAST TWO IS NUMBER RANGE 01-05 X 5

1,4

2,3

3.5

4,5

IF THE LAST TWO IS NUMBER BETWEEN 06-09 X 3

ment Rate

IF THE LAST TWO IS NUMBERED 10-15

THE LAST TWO IS WILL BE SAME IF IT IS 16-20 DECEMBER

a) In the new table you will edit, determine the dependent variable y and independent variable x

IF THE LAST TWO IS NUMBER RANGE 20-40: 2 WILL BE

columns.

DONE

b) Add the missing data values in the 6th row above with the following method.

IF THE LAST TWO NUMBER IS IN THE 41-99 RANGE: 4 WILL

BE DONE

c) For the linear regression equation between these two variables, find the normal equations and

the bo and b1 coefficients by adding the necessary columns to the new table you will edit.

2) Monthly expenses of 10 students randomly selected

from university students in New York and 8 students

d) When the crime rate in this State reaches 25, what is the unemployment rate expected to be?

randomly selected from university students in Los Angeles

were investigated. The average of the two samples was

e) Find the correlation and determination coefficients with the formulas in the presentations and

found as (A + 150) and A TL and the variances (A / 2) and

interpret them.

((A / 2)-20) TL respectively. Calculate the 90% confidence

interval of the difference in monthly expenditures of the

NUMBER TO BE USED IN DETERMINING ADDICATED AND INDEPENDENT VARIABLE VALUE

students in the city and write your comment.

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