Question

(a) Make a scatter diagram for the relation between the number of letters in each person's first and last name. Choose the correct graph below. OA OB OC. OD Q 16 10 16 Last name 10 First name Last name First name (b) Figure the correlation coefficient for the relation between the number of letters in each person's first and last name. (Round to two decimal places as needed.) Names Ned Ellsbury Diane Harrison Latoya Helling Frederick Konstantopoulos Anita Hernandez Roberto Velazquez Millicent Jones Philip MacDougal Print Done Click to select your answers

Answer 1

From the data , we find the number of characters in each first name and last name,

We get the following table

First Name 3 5 6 9 5 7 Last Name 8 8 7 15 9 9 5 9 9 6

a)

Using Excel tool for Scatter Plot we get the following chart

The right option is

Answer :

Option C

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b)

Using Excel tool Data -> Data Analysis -> Correlation,

we find the Correlation Coefficient 'r' , we get

r = 0.25

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