Answered: Transcription factors are genes that…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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MUST READ PROMPT! Transcription factors are genes that code for proteins that regulate the transcription of multiple other genes. Studies show how transcription factor Zscan1O controls aspects of development in the mice. There was two lines of mice examined, both genetically identical except that one (mutant) carries a mutation in Zscan1O transcription factor The normal line was the control line. They measured the length of one tibia per mouse in mice randomly sampled from each line and recorded the genetic sex of each mouse. Keep in mind! Longer tibias have relation with longer legs. A) which group has the biggest median? B) what are the variables? C) are the sample sizes about the same across all the groups? And why? D) what info would be reported in the prompt above to calculate up to a 95% confidence interval for each group? E) which direction is the F.Mutant group skewed in?

TEABIA LENGTH (mm)
20 +
19.5-
19
18.5-
18-
17.5-
17 +
F.NORMAL
F.MUT
보급
M.NORMAL
M.MUT

Definition Definition Middle value of a data set. The median divides a data set into two halves, and it also called the 50th percentile. The median is much less affected by outliers and skewed data than the mean. If the number of elements in a dataset is odd, then the middlemost element of the data arranged in ascending or descending order is the median. If the number of elements in the dataset is even, the average of the two central elements of the arranged data is the median of the set. For example, if a dataset has five items—12, 13, 21, 27, 31—the median is the third item in ascending order, or 21. If a dataset has six items—12, 13, 21, 27, 31, 33—the median is the average of the third (21) and fourth (27) items. It is calculated as follows: (21 + 27) / 2 = 24.

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