Statistics: Reaction time for groups of dogs
Not what you're looking for?
An animal trainer obtained the following sample data (Table A) in a study of reaction times of dogs (in seconds) to a specific stimulus. He then selected another group of dogs that were much older than the first group and measure their reaction times to the same stimulus. The sample data is shown in Table B.
Table A Table B Classes
Frequency
Classes Frequency Classes Frequency
2.3-2.9 35
2.3-2.9 30
3.0-3.6 23 3.0-3.6 26
3.7-4.3 5 3.7-4.3 26
4.4-5.0 4 4.4-5.0 1
5.1-5.7 24 5.1-5.7 6
5.8-6.4 15 5.8-6.4 28
Find the variance and standard deviation for the two distributions above. Compare the variation of the data sets. Decide if one data set is more variable than the other.
You are given the following data. Number of Absences Final
Grade
0 96
1 92
2 71
2 71
3 78
3 66
4 60
5 51
6 42
?Make a scatter plot for the data; submit it through the Dropbox.
?Find the correlation coefficient for the data.
?Find the equation for the regression line for the data, and predict the final grade of a student who misses 3.5 days.
I just need help plotting on the graph.
Purchase this Solution
Solution Summary
Reaction time for groups of dogs in statistics is examined.
Solution Preview
See the attached file.
An animal trainer obtained the following sample data (Table A) in a study of reaction times of dogs (in seconds) to a specific stimulus. He then selected another group of dogs that were much older than the first group and measure their reaction times to the same stimulus. The sample data is shown in Table B.
Table A Table B
Classes Frequency ...
Purchase this Solution
Free BrainMass Quizzes
Terms and Definitions for Statistics
This quiz covers basic terms and definitions of statistics.
Measures of Central Tendency
Tests knowledge of the three main measures of central tendency, including some simple calculation questions.
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.
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.