An independent-samples t test, "all inclusive" resorts, and alcohol consumption: At some vacation destinations,"all-inclusive" resorts allow you to pay a flat rate and then eat and drink as much as you want. There has been concern about whether these deals might lead to excessive consumption of alcohol by young adults on spring break trips.You decide to spend your spring break collecting data on this issue. Of course, you need to take all of your friends on this funded research trip, because you need a lot of research assistants! You collect data on the number of drinks consumed in a day by people staying at all-inclusive resorts and by those staying at noninclusive resorts. Your data include the following: All-inclusive resort guests: 10, 8, 13 Noninclusive resort guests: 3, 15, 7 a. Conduct all six steps of an independent-samples t test. Be sure to label all six steps. b. Report the statistics as you would in a journal article. c. Is there a shortcut you could or did use to compute your hypothesis test? (Hint: There are equal num- bers of participants in the two groups.) d. Calculate the 95% contfidence interval. e. State in your own words what we learn from this confidence interval. f. Express the confidence interval, in a sentence, as a 111argan of error. g. Calculate the appropriate measure of effect size. h. Based on Cohen's conventions, Is this a snmall. medium. or Large effect size? Why is it useful to have this information in addition to the results of a hypothesis test?
An independent-samples t test, "all inclusive" resorts, and alcohol consumption: At some vacation destinations,"all-inclusive" resorts allow you to pay a flat rate and then eat and drink as much as you want. There has been concern about whether these deals might lead to excessive consumption of alcohol by young adults on spring break trips.You decide to spend your spring break collecting data on this issue. Of course, you need to take all of your friends on this funded research trip, because you need a lot of research assistants! You collect data on the number of drinks consumed in a day by people staying at all-inclusive resorts and by those staying at noninclusive resorts. Your data include the following: All-inclusive resort guests: 10, 8, 13 Noninclusive resort guests: 3, 15, 7 a. Conduct all six steps of an independent-samples t test. Be sure to label all six steps. b. Report the statistics as you would in a journal article. c. Is there a shortcut you could or did use to compute your hypothesis test? (Hint: There are equal num- bers of participants in the two groups.) d. Calculate the 95% contfidence interval. e. State in your own words what we learn from this confidence interval. f. Express the confidence interval, in a sentence, as a 111argan of error. g. Calculate the appropriate measure of effect size. h. Based on Cohen's conventions, Is this a snmall. medium. or Large effect size? Why is it useful to have this information in addition to the results of a hypothesis test?
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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qstn 10.26
ANSWER g,h,i,j
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Transcribed Image Text:10.26 An independent-samples t test, "all inclusive"
resorts, and alcohol consumption: At some vacation
destinations, "all-inclusive" resorts allow you to pay a flat
rate and then eat and drink as much as you want. There
has been concern about whether these deals might lead
to excessive consumption of alcohol by young adults on
spring break trips.You decide to spend your spring break
collecting data on this issue. Of course, you need to take
all of your friends on this funded research trip, because
you need a lot of research assistants! You collect data
on the number of drinks consumed in a day by people
staying at all-inclusive resorts and by those staying at
noninclusive resorts. Your data include the following:
All-inclusive resort guests: 10, 8, 13
Noninclusive resort guests: 3, 15, 7
a. Conduct all six steps of an independent-samples t
test. Be sure to label all six steps.
b. Report the statistics as you would in a journal article.
Is there a shortcut you could or did use to compute
C.
your hypothesis test? (Hint: There are equal num-
bers of participants in the two groups.)
d. Calculate the 95% confidence interval.
e.
State in your own words what we learn from this
confidence interval.
f. Express the confidence interval, in a sentence, as a
111.argin of error.
g. Calculite the appropriate measure of effecE size.
h. Based on Cohen's conventions, Is this small,
medium, or Lurge effect size
Why is it useful to have this information in addition
ts the restults of a hypothesis test?
10:27 Anind
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