Answered: Your task is to perform a chi-square…

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

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Question

Your task is to perform a chi-square goodness of fit test
on the F2 data and make a decision, based on your statistical analysis, as to whether
you reject or do not reject the computer generated mode of inheritance as being consistent
with the observed data.

The mode of inheritance you are to test on the observed data is autosomal recessive.

PARENTAL CROSS

Parental cross: Father with disease phenotype, Mother with wild-type phenotype.

F1 DATA

Phenotype

Gender Disease Wild-Type

Male. 49 0

Female 61 0

F2 DATA

Phenotype

Gender Disease. Wild-Type

Male 39 15

Female 45 11

Gender	Phenotype	Observed counts (O)	Expected Proportions	Expected Counts (E)	(O-E)	(O-E)^2/E
Male	WT	15
Male	Disease	39
Female	WT	11
Female	Disease	45
Total		110
					DegFrdm
					P-value

Typed please with calc

Definition Definition Measure of central tendency that is the value that occurs most frequently in a data set. A data set may have more than one mode if multiple categories repeat an equal number of times. For example, in a data set with five item—3, 5, 5, 29, 473—the mode is 5 because it occurs twice and no other value occurs more than once. On a histogram or bar chart, the element with the highest bar represents the mode. Therefore, the mode is sometimes considered the most popular option. The mode is useful for nominal or categorical data (e.g., the most common color car that users purchase), but it is problematic for continuous data because it is more likely not to have any value that is more frequent than the other.

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