the accompanying table shows the ages (in years) of 11 children and the numbers of words in their vocabulary. Age, x Vocabulary size, y 1 3 2 260 3 590 4 1100 5 1900 6 2500 3 730 5 2200 2 250 4 1300 6 2400 1. Calculate the sample correlation coefficient r. 2. Describe the type of correlation, if any, and interpret the correlation in the context of the data. 3. Use the table of critical values for the Pearson correlation coefficient to make a conclusion about the correlation coefficient. Let α=0.01.
the accompanying table shows the ages (in years) of 11 children and the numbers of words in their vocabulary. Age, x Vocabulary size, y 1 3 2 260 3 590 4 1100 5 1900 6 2500 3 730 5 2200 2 250 4 1300 6 2400 1. Calculate the sample correlation coefficient r. 2. Describe the type of correlation, if any, and interpret the correlation in the context of the data. 3. Use the table of critical values for the Pearson correlation coefficient to make a conclusion about the correlation coefficient. Let α=0.01.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 24PFA
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the accompanying table shows the ages (in years) of 11 children and the numbers of words in their vocabulary.
Age, x Vocabulary size, y
1 3
2 260
3 590
4 1100
5 1900
6 2500
3 730
5 2200
2 250
4 1300
6 2400
1. Calculate the sample
2. Describe the type of correlation, if any, and interpret the correlation in the context of the data.
3. Use the table of critical values for the Pearson correlation coefficient to make a conclusion about the correlation coefficient. Let α=0.01.
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