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1. If we add the same constant c to each item in a set of data, what do you think will happen to the mean of the new set of data?

1. If we add the same constant c to each item in a set of data, what do you think will happen to the mean of the new set of data?

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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III. Answer the following CONCISELY and COMPREHENSIVELY 1. If we add the same constant c to each item in a set of data, what do you think will happen to the mean of the new set of data? 2. The class midterm examination result in Statistics was graphed and it showed that it is skewed to the left and at the same time it is also leptokurtic in shape. What can you say about the exam result of the students? How can you interpret this data? 3. Using the table below, give a verbal interpretation and conclusion of the data. The Learning Gain in Science Quizzes of the Selected Students Who Attended the Remedial Program Group B Group A Group C Mean 19. 33333333 Mean 22.4 Mean 19.2 Standard Error 3.269872091 Standard Error 2.8465518 Standard Error 3.16709 Median 15 Median 24 Median 24 Mode 13 Mode 24 Mode 13 11.024648 Standard Deviation 121.54286 Sample Variance Standard Deviation 12.66416015 Standard Deviation 12.2661 Sample Variance 160.3809524 Sample Variance 150 457 Kurtosis -1.659603742 Kurtosis 0.8829 Kurtosis -1.5954 Skewness 0.090696349 Skewness -0.5441465 Skewness -0.1096
Transcribed Image Text:III. Answer the following CONCISELY and COMPREHENSIVELY 1. If we add the same constant c to each item in a set of data, what do you think will happen to the mean of the new set of data? 2. The class midterm examination result in Statistics was graphed and it showed that it is skewed to the left and at the same time it is also leptokurtic in shape. What can you say about the exam result of the students? How can you interpret this data? 3. Using the table below, give a verbal interpretation and conclusion of the data. The Learning Gain in Science Quizzes of the Selected Students Who Attended the Remedial Program Group B Group A Group C Mean 19. 33333333 Mean 22.4 Mean 19.2 Standard Error 3.269872091 Standard Error 2.8465518 Standard Error 3.16709 Median 15 Median 24 Median 24 Mode 13 Mode 24 Mode 13 11.024648 Standard Deviation 121.54286 Sample Variance Standard Deviation 12.66416015 Standard Deviation 12.2661 Sample Variance 160.3809524 Sample Variance 150 457 Kurtosis -1.659603742 Kurtosis 0.8829 Kurtosis -1.5954 Skewness 0.090696349 Skewness -0.5441465 Skewness -0.1096
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