Consider a sample of students with five observations and two variables: a dummy variable equal to L if the student is male and O if the student is female (no other options) and a variable that measures the student's height in inches. You are told the following summary statistics from the =ample: • Average of the male dummy variable is 0.4 • Average height of female observations is 65 inches • Average height of male observations is 70 inches

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Consider a sample of students with five observations and two variables: a dummy variable equal to
1 if the student is male and O if the student is female (no other options) and a variable that
measures the student's height in inches. You are told the following summary statistics from the
sample:
• Average of the male dummy variable is 0.4
• Average height of female observations is 65 inches
• Average height of male observations is 70 inches
What is the average height for the full sample (in inches)?
Transcribed Image Text:Consider a sample of students with five observations and two variables: a dummy variable equal to 1 if the student is male and O if the student is female (no other options) and a variable that measures the student's height in inches. You are told the following summary statistics from the sample: • Average of the male dummy variable is 0.4 • Average height of female observations is 65 inches • Average height of male observations is 70 inches What is the average height for the full sample (in inches)?
Expert Solution
Step 1

Given that average of the male dummy variable =0.4 & there are total 5 sample 

Average height of female observation=65 inches

Average height of male observation=70 inches

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