A researcher is studying changes in the student body at her university and has selected a random sample of 163 from the freshman class. The table below compares their characteristics to the student body as a whole. Which differences are significant? VARIABLEFRESHMENALLSTUDENTSa) Proportion that is Pro-DuterteP3 = 0.44Pu = 0.49b) Proportion majoring inScience and MathP; = 0.17Pu = 0.09x = Php 267,000 µ = Php 215,00s = Php 15,000i = 3s = 1c) Average Family incomed) Average number ofsiblingsμ= 5e) Average number of phonecalls to parents per weekī = 1.5s = 0.4H = 0.4f) Average number of closefriends living near campusi = 5s = 1µ = 8

Name: A researcher is studying changes in the student body at her university
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Description: A researcher is studying changes in the student body at her university and has selected a random sample of 163 from the freshman class. The table below compares their characteristics to the student body as a whole. Which differences are significant?

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A researcher is studying changes in the student body at her university and has selected a random sample of 163 from the freshman class. The table below compares their characteristics to the student body as a whole. Which differences are significant?

VARIABLE
FRESHMEN
ALL
STUDENTS
a) Proportion that is Pro-
Duterte
P3 = 0.44
Pu = 0.49
b) Proportion majoring in
Science and Math
P; = 0.17
Pu = 0.09
x = Php 267,000 µ = Php 215,00
s = Php 15,000
i = 3
s = 1
c) Average Family income
d) Average number of
siblings
μ= 5
e) Average number of phone
calls to parents per week
ī = 1.5
s = 0.4
H = 0.4
f) Average number of close
friends living near campus
i = 5
s = 1
µ = 8

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