Popcorn A student runs an experiment to test four differ-ent popcorn brands, recording the number of kernels left unpopped. She pops measured batches of each brand4 times, using the same popcorn popper and randomizing the order of the brands. After collecting her data and ana-lyzing the results, she reports that the F-ratio is 13.56. a) What are the null and alternative hypotheses?b) How many degrees of freedom does the treatment sumof squares have? How about the error sum of squares? c) Assuming that the conditions required for ANOVAare satisfied, what is the P-value? What would youconclude?d) What else about the data would you like to see in orderto check the assumptions and conditions?
Popcorn A student runs an experiment to test four differ-ent popcorn brands, recording the number of kernels left unpopped. She pops measured batches of each brand4 times, using the same popcorn popper and randomizing the order of the brands. After collecting her data and ana-lyzing the results, she reports that the F-ratio is 13.56. a) What are the null and alternative hypotheses?b) How many degrees of freedom does the treatment sumof squares have? How about the error sum of squares? c) Assuming that the conditions required for ANOVAare satisfied, what is the P-value? What would youconclude?d) What else about the data would you like to see in orderto check the assumptions and conditions?
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
Popcorn A student runs an experiment to test four differ-
ent popcorn brands, recording the number of kernels left
ent popcorn brands, recording the number of kernels left
unpopped. She pops measured batches of each brand
4 times, using the same popcorn popper and randomizing
4 times, using the same popcorn popper and randomizing
the order of the brands. After collecting her data and ana-
lyzing the results, she reports that the F-ratio is 13.56.
lyzing the results, she reports that the F-ratio is 13.56.
a) What are the null and alternative hypotheses?
b) How many degrees of freedom does the treatment sum
of squares have? How about the error sum of squares?
b) How many degrees of freedom does the treatment sum
of squares have? How about the error sum of squares?
c) Assuming that the conditions required for ANOVA
are satisfied, what is the P-value? What would you
conclude?
d) What else about the data would you like to see in order
to check the assumptions and conditions?
are satisfied, what is the P-value? What would you
conclude?
d) What else about the data would you like to see in order
to check the assumptions and conditions?
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