INFERENCE FOR RELATIONSHIPS CHECKPOINT
P 280
Step 1 of 1
The following questions present you with a scenario, and you need to choose the most appropriate
statistical test in each case.
Question 1 of 8Points: 10 out of 10
We suspect the overall mean monthly rent of apartments in Shadyside is
higher than in Oakland, so we survey a random sample
of Oakland apartments, and a random sample of Shadyside apartments.
matched pairs ttest
twosample ttest
ANOVA
chisquared test for independence
inference for regression
Good job! We are comparing two groups—apartments in Shadyside and
apartments in Oakland. Since we take two random samples, these samples
are independent and therefore the twosample ttest is appropriate.
Question 2 of 8Points: 0 out of 10
Advertising researchers claim that the power of curiosity can be harnessed to
design an effective Internet advertising strategy that results in a better
evaluation of the advertised product. They develop six advertising texts with
varying amounts of "curiosity" triggers. College students are randomly
assigned to one of the six versions of the advertisement text and their
evaluation score of the advertised product is recorded.
matched pairs ttest
This study source was downloaded by 100000836546216 from CourseHero.com on 03-09-2022 09:20:24 GMT -06:00
https://www.coursehero.com/file/27465386/Quiz-27-INFERENCE-FOR-RELATIONSHIPS-CHECKPOINTdocx/
, twosample ttest
ANOVA
chisquared test for independence
inference for regression
That is not quite right. Since students are randomly assigned to one of the six
versions, there are six independent samples. (C) is the right answer.
Question 3 of 8Points: 10 out of 10
A physical therapy researcher was interested in determining the impact of two
different exercises. The investigator suspected that the two exercises
produced a different level of activity in the muscle. Each of 16 subjects
performed both exercise 1 and exercise 2, and the results are shown (for each
subject, the order of the exercises was randomly assigned and sufficient rest
time was provided between the two exercises).
This study source was downloaded by 100000836546216 from CourseHero.com on 03-09-2022 09:20:24 GMT -06:00
https://www.coursehero.com/file/27465386/Quiz-27-INFERENCE-FOR-RELATIONSHIPS-CHECKPOINTdocx/
P 280
Step 1 of 1
The following questions present you with a scenario, and you need to choose the most appropriate
statistical test in each case.
Question 1 of 8Points: 10 out of 10
We suspect the overall mean monthly rent of apartments in Shadyside is
higher than in Oakland, so we survey a random sample
of Oakland apartments, and a random sample of Shadyside apartments.
matched pairs ttest
twosample ttest
ANOVA
chisquared test for independence
inference for regression
Good job! We are comparing two groups—apartments in Shadyside and
apartments in Oakland. Since we take two random samples, these samples
are independent and therefore the twosample ttest is appropriate.
Question 2 of 8Points: 0 out of 10
Advertising researchers claim that the power of curiosity can be harnessed to
design an effective Internet advertising strategy that results in a better
evaluation of the advertised product. They develop six advertising texts with
varying amounts of "curiosity" triggers. College students are randomly
assigned to one of the six versions of the advertisement text and their
evaluation score of the advertised product is recorded.
matched pairs ttest
This study source was downloaded by 100000836546216 from CourseHero.com on 03-09-2022 09:20:24 GMT -06:00
https://www.coursehero.com/file/27465386/Quiz-27-INFERENCE-FOR-RELATIONSHIPS-CHECKPOINTdocx/
, twosample ttest
ANOVA
chisquared test for independence
inference for regression
That is not quite right. Since students are randomly assigned to one of the six
versions, there are six independent samples. (C) is the right answer.
Question 3 of 8Points: 10 out of 10
A physical therapy researcher was interested in determining the impact of two
different exercises. The investigator suspected that the two exercises
produced a different level of activity in the muscle. Each of 16 subjects
performed both exercise 1 and exercise 2, and the results are shown (for each
subject, the order of the exercises was randomly assigned and sufficient rest
time was provided between the two exercises).
This study source was downloaded by 100000836546216 from CourseHero.com on 03-09-2022 09:20:24 GMT -06:00
https://www.coursehero.com/file/27465386/Quiz-27-INFERENCE-FOR-RELATIONSHIPS-CHECKPOINTdocx/
