Purchase Solution

Bivariate Data Sets

Not what you're looking for?

Ask Custom Question

Below are four bivariate data sets. Each data set is made up of sample values drawn from a population.

x y = Figure 1
--- ---
1.0 7.8
2.0 6.9
3.0 7.3
4.0 5.9
5.0 6.9
6.0 4.8
7.0 4.6
8.0 3.4
9.0 4.3
10.0 2.5

u v = Figure 2
--- ---
1.0 4.4
2.0 6.0
3.0 7.0
4.0 4.8
5.0 4.7
6.0 7.7
7.0 5.7
8.0 7.0
9.0 9.1
10.0 7.7

w t = Figure 3
--- ---
1.0 1.0
2.0 2.0
3.0 4.0
4.0 4.0
5.0 5.0
6.0 6.0
7.0 7.0
8.0 8.0
9.0 9.0
10.0 10.0
m n = Figure 4
---- ----
1.0 6.7
2.0 9.8
3.0 3.7
4.0 9.2
5.0 4.9
6.0 2.3
7.0 5.7
8.0 9.8
9.0 5.0
10.0 7.6

Answer the following questions. The same response may be the correct answer for more than one question.

1. In which data set is there evidence of a strong nonlinear relationship between the two variables? _______

a. the x, y data set
b. the u, v data set
c. the w, t data set
d. the m, n data set
e. none of these data sets

2. Which data set has an apparent positive, but not perfect, linear relationship between its two variables?______

a. the x, y data set
b. the u, v data set
c. the w, t data set
d. the m, n data set
e. none of these data sets

3. Which data set indicates a perfect positive linear relationship between its two variables? _______

a. the x, y data set
b. the u, v data set
c. the w, t data set
d. the m, n data set
e. none of these data sets

4. Which data set indicates the strongest negative linear relationship between its two variables? ______

a. the x, y data set
b. the u, v data set
c. the w, t data set
d. the m, n data set

Attachments
Purchase this Solution

Solution Summary

Below are four bivariate data sets. Each data set is made up of sample values drawn from a population.

x y = Figure 1
--- ---
1.0 7.8
2.0 6.9
3.0 7.3
4.0 5.9
5.0 6.9
6.0 4.8
7.0 4.6
8.0 3.4
9.0 4.3
10.0 2.5

u v = Figure 2
--- ---
1.0 4.4
2.0 6.0
3.0 7.0
4.0 4.8
5.0 4.7
6.0 7.7
7.0 5.7
8.0 7.0
9.0 9.1
10.0 7.7

w t = Figure 3
--- ---
1.0 1.0
2.0 2.0
3.0 4.0
4.0 4.0
5.0 5.0
6.0 6.0
7.0 7.0
8.0 8.0
9.0 9.0
10.0 10.0
m n = Figure 4
---- ----
1.0 6.7
2.0 9.8
3.0 3.7
4.0 9.2
5.0 4.9
6.0 2.3
7.0 5.7
8.0 9.8
9.0 5.0
10.0 7.6

Answer the following questions. The same response may be the correct answer for more than one question.

1. In which data set is there evidence of a strong nonlinear relationship between the two variables? _______

a. the x, y data set
b. the u, v data set
c. the w, t data set
d. the m, n data set
e. none of these data sets

2. Which data set has an apparent positive, but not perfect, linear relationship between its two variables?______

a. the x, y data set
b. the u, v data set
c. the w, t data set
d. the m, n data set
e. none of these data sets

3. Which data set indicates a perfect positive linear relationship between its two variables? _______

a. the x, y data set
b. the u, v data set
c. the w, t data set
d. the m, n data set
e. none of these data sets

4. Which data set indicates the strongest negative linear relationship between its two variables? ______

a. the x, y data set
b. the u, v data set
c. the w, t data set
d. the m, n data set

Purchase this Solution


Free BrainMass Quizzes
Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

Measures of Central Tendency

This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.

Measures of Central Tendency

Tests knowledge of the three main measures of central tendency, including some simple calculation questions.

Know Your Statistical Concepts

Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.