# Stab22 midterm Notes.docx - Question 1: Typo for row 3 A B...

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Question 1:Typo for row 3A)The cases are 759 married respondentsB)Variable = fairness of division of work around the house, categorical, nominalC)Mode is 1: fair to both highest %D)N= 759, 0.767(759) = 582 also change 76.7 to decimal and multiply correspondentsQuestion 2:A)Mean = 27171(1) + 16761(2) + 1571(3) + 397(4)/ 45,900 = 1.46B)Median = N= 45,900 (even data set) position of median is an average of N/2 and N/2 + 1.45900/2 =22,950 45900/2 +1 =22,951C)Right skewed: Data gets smaller from beginning to the endD)For skewed distributions, most appropriate measure of center: Median, measure ofspread: IQRQuestion 3:A)(1x0.34) + (2x0.33) + (3x0.16) + (4x0.17) = 2.16B)Position of median is 0.5 of data valuesQuestion 4: Part B is conditional percentageA)Response variable: Relationship betweenEDU success in live, Explanatory variable:Sexof respondents.B)38/73 = 0.5205x100 = 52.05%C)73/7920 = 0.0092 in proportion multiply by 100 is = to 0.92 percent looking at marginalvaluesD)Turn count into row percentage Find: conditional percent of strong agreement for male,
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