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
icon
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
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
Expert Solution
steps

Step by step

Solved in 2 steps with 1 images

Blurred answer
Recommended textbooks for you
Holt Mcdougal Larson Pre-algebra: Student Edition…
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL
Calculus For The Life Sciences
Calculus For The Life Sciences
Calculus
ISBN:
9780321964038
Author:
GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:
Pearson Addison Wesley,
College Algebra (MindTap Course List)
College Algebra (MindTap Course List)
Algebra
ISBN:
9781305652231
Author:
R. David Gustafson, Jeff Hughes
Publisher:
Cengage Learning
Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage