Fall 2017, BA 45 HIMELFARB BA 45: STATISTICS Homework 1 (25 points) Due: Septemb

Question

Fall 2017, BA 45 HIMELFARB BA 45: STATISTICS Homework 1 (25 points) Due: September 25, 2017 Problem 1 Please consider the following matrix of scores Gender Age Ed. Level Income Ethnicity Productivity nt1 M 34HS $120K WHITE 1/2 BA $98K ASIAN 1/3 TM-56 [ BA170KI ASIAN 1/4 Client4 M 29 M 1 32 Client 2 Client 3 MS $72K AF.AMER 76 MA $180K AF AMER 1/2 Client 6 N/A 52 Client 7 Client 8F 43 MA$100K WHITE 1/2 Client 9 Client 10F43 HS $190K HISPAN 1/3 BA $61K ASIAN BA $80K WHITE 8 65 MS $115K HISPAN1 i. For each variable, calculate the appropriate measure of central tendency (2 points) ii. Provide graphical representation of each of the variables (2 points) ili. In no more than 150 words, provide a statistical summary (report) of the data for 10 client measured on the 6 variables (5 points) roblem 2

Explanation / Answer

solution1:

For categorical variables like gender,edlevel,ethnicity mode is apprporiate measure as we can count the number of items,

For Gender M-Frequency=5

M repeats 5 times

F=4

N/A=1

Total=10

So Male is the mode

Ed level

BA---4

HS----2

MA---2

MS=2

mode=BA

repeats 4 times

For Ethnicity variable

WHITE---3

HISPAN-2

ASIAN=3

AF.AMER=2

mode=white,af.amer

For numerical variables find the median

For income it is $107.5

For productivity it is 0.41667

For age it is 43

For income mean is118.6

For productivity mean is 0.479

For age mean is 46.9

as it is not affected by outiers

For Age,Income,Productive which are quantittaive variables run the descriptive statistics

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