6 of 28 This Test: 28 pts possible This Question: 1 pt data (a) display the data

Question

6 of 28 This Test: 28 pts possible This Question: 1 pt data (a) display the data in a scatter plot, (b) calculate the correlation coefficient r, and (c) make a conclusion about the type of correlation For the folowing The ages (in years) of 6 children and the number of words in their vocabulary Age, x Vocabulary size,y 150 600 1200 1500 1950 2650 (a) Choose the correct scatter plot below OD. O A. OB. 2700 2700 2700 2700 Age Age Age (b) The correlation coefficient ' is (Round tn three decimal nlaces as needed Click to select your answer(s) Save for Later Chapter 1 Pre-Test

Explanation / Answer

a) Correct Scatter plot is Option Graph because Vocabulary must be on y axis and Age on x axis and its must be upward trend because as x is increasing , y is also increasing

b) Using Excel correlation Coefficient for r

r = 0.995

c) Strong Positive Linear Correlation

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