A professor wonders whether an unusual number of freshmen students are enrolled in his NINJ402 Advanced Ninja Warrior class, which is usually populated primarily by upperclass students (so, usually a 5/10/25/60% split, percentage- wise). In his present class, there are 8 freshmen, 3 sophomores, 9 juniors, and 15 seniors. Conduct the appropriate chi- square test. a) State the hypotheses (1): Ho H1: b) Calculate the test statistic. (2) What type of test is this? a) Goodness-of-Fit, or b) Independence? What answer did you get for your chi-square statistic? d) State your conclusions (statistically and in terms of the research question), assuming a critical value of 9.48 for a=.05. (2) x²( Sentence: ) = , p .05
A professor wonders whether an unusual number of freshmen students are enrolled in his NINJ402 Advanced Ninja Warrior class, which is usually populated primarily by upperclass students (so, usually a 5/10/25/60% split, percentage- wise). In his present class, there are 8 freshmen, 3 sophomores, 9 juniors, and 15 seniors. Conduct the appropriate chi- square test. a) State the hypotheses (1): Ho H1: b) Calculate the test statistic. (2) What type of test is this? a) Goodness-of-Fit, or b) Independence? What answer did you get for your chi-square statistic? d) State your conclusions (statistically and in terms of the research question), assuming a critical value of 9.48 for a=.05. (2) x²( Sentence: ) = , p .05
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
Related questions
Question
![A professor wonders whether an unusual number of freshmen students are enrolled in his NINJ402 Advanced Ninja
Warrior class, which is usually populated primarily by upperclass students (so, usually a 5/10/25/60% split, percentage-
wise). In his present class, there are 8 freshmen, 3 sophomores, 9 juniors, and 15 seniors. Conduct the appropriate chi-
square test.
a) State the hypotheses (1):
Ho
H1:
b) Calculate the test statistic. (2)
What type of test is this? a) Goodness-of-Fit, or b) Independence?
What answer did you get for your chi-square statistic?
d) State your conclusions (statistically and in terms of the research question), assuming a critical value of 9.48 for a=.05.
(2)
x²(
Sentence:
) =
, p
.05](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0c8c5278-a8e2-4e28-ac7f-c0ebca2aef97%2F21667f49-d0c3-45ae-8e77-88ed8e3ed1f7%2Ffwcymg8_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A professor wonders whether an unusual number of freshmen students are enrolled in his NINJ402 Advanced Ninja
Warrior class, which is usually populated primarily by upperclass students (so, usually a 5/10/25/60% split, percentage-
wise). In his present class, there are 8 freshmen, 3 sophomores, 9 juniors, and 15 seniors. Conduct the appropriate chi-
square test.
a) State the hypotheses (1):
Ho
H1:
b) Calculate the test statistic. (2)
What type of test is this? a) Goodness-of-Fit, or b) Independence?
What answer did you get for your chi-square statistic?
d) State your conclusions (statistically and in terms of the research question), assuming a critical value of 9.48 for a=.05.
(2)
x²(
Sentence:
) =
, p
.05
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