Stat Week#10

Stat Week#10

University

8 Qs

quiz-placeholder

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Stat Week#10

Stat Week#10

Assessment

Quiz

Mathematics

University

Practice Problem

Hard

Created by

Asadullah Jawid

Used 10+ times

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8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

For Gender and Education level we use

Chi Square

two-way table

Joint bar

all three

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

For Salary and Education level (non-binary) we use

t-test

F-test

Chi-Square

cov/corr

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

With X increases, Y goes down, then cov(X,Y) is

Positive

Negative

0

None

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

the corr(X,Y)=1.2 then they are directly related

T

F

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The cov(X,Y)>0 then we cannot conclude that corr(X,Y) is also positive.

T

F

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

corr>0 and cov>0

T

F

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

the p-value of chi-square is 0.01, then the association is

v strong

moderate

weak

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