Question

Many organizations perform surveysto determine the satisfaction of their customers. Attitudes toward various aspects of campus life were the subject of one such study conducted at University. Each item was rated on a 1 to 5 scale with 5 being high satisfaction and 0 being low. The average response of the 1568 first-year student respondantsto the "Feeling Welcomed at Purdue" item was 3.83 with a standard deviation of 1.10. The average response the 1023 sophomores to the "Feeling Welcomed" item was 3.72 with a standard deviation of 1.42. At significance level of 10% does this data provide evidence that first-year and sophomore students at Purdue feel differently about the welcomingness of the campus?

a.How many sample(s) is/are there?

b. You need to use______ procedures in this case.

c. The test statistic is (to four decimal places):

d. The p value is (to four decimal places):

We should conclude that:

First-year and sophomores at university feel differently about the welcomingness of the campus.

Sophomores at University feel that the campus is unwelcoming.

Sophomores at University feel less welcome on campus than first-year students.

Attitudes about the welcomingness of University campus don't significantly differ between first-year students and sophomores.

We can also conclude that:

Sophomores at University are more stressed than first-year students.

First-years students care more about a campus' welcomingness.

Being a sophomore at University makes students view the campus a less welcoming.

None of these.

Answer 1

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