Answered: Data Set I 41 44 45 47 47 48 51 53 58…

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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The foreign automobile dealer sells English, French, German, Japanese and Korean automobiels. Th enumber of such automobiles sold in a month follow; Country English French German Japanese Korean Number 3. 12 20 10 In words describe what descriptive method would you use to display the data to an audience? Comment on your choice. For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac).
For every set of data the value of the trimmed mean will always be one of the original items of data. * true false
Explain using evidence from graph a and graph b which graph indicates that the model for the data is a good fit .
) Is there evidence of a nonlinear relationship between birth weight andmother’s weight gain?
on 5 of 17 The Centers for Disease Control and Prevention recommends that adults get between 7-8 hours of sleep each night. The dot plot below shows the results from a sample of 15 adults who were asked how many hours of sleep they had the previous night. What is the median for the dataset? hours DELL
A warden is motivated to reduce to aggressive interactions between inmates that sometimes occur in common areas like the yard. He tasks you, the prison psychologist, to find out what can be done to reduce aggressive behavior. Having known the prisoners, you hypothesize that there must be a relation between aggressiveness and having something to keep oneself busy. You get 10 volunteer inmates and give them a scale of aggression and then ask how many hours a week on average they spend with a hobby.The data in z-scoresare: C. Your spouse is a teacher at a highschool. You convince them to run the same scales on some of their students and the r value is .42. At ?=.01is that significantly different than for the one for the inmates?
In order to create more stems, create a split stem-and-leaf plot in which each stem is listed twice, with the leaves of the 0- 4 stem appearing on the top stem and leaves of 5-9 on the bottom stem. The stems are drawn below, with the first three data points entered in (You can create this stem-and-leaf plot right on your paper.) My example is not in order. Please rewrite the stem-and-leaf plot so that the values are chronological 1 1 2 0 2 8 3 3 3 4 Can you use this plot to find the median? Mode? Find them and explain how you can use this plot to find those values
An HR specialist wants to know, if the employees at the company he works for, work on average more than a full time week of 40 hours. He analyzes his data using SPSS. ( look at graphs) Was the test significant? Write the interpretation paragraph. (1) What was done 2) What test was done and what were the results (include APA) 3) What do the results mean? )
Question 4The researcher wishes to use graphical descriptive methods to present summaries of the data on each of the two variables: hours worked per week and yearly income, as stored in file HOURSWORKED.jpga) The number of observations (n) is 65 individuals. The researcher suggests using 7 class intervals to construct a histogram for each variable. Explain how the researcher would have decided on the number of class intervals (K) as 7. b) The researcher suggests using class intervals as 10 < X ≤ 15, 15 < X ≤ 20, …, 40 < X ≤ 45 for the hours per week variable and class intervals 40 < X ≤ 45, 45 < X ≤ 50, ..., 70 < X ≤ 75 for the yearly income variable. Explain how the researcher would have decided the width of the above class intervals (or class width). c) Draw and display a histogram for each of the two variables using appropriate BIN values from part (b) and comment on the shape of the two distributions.
what is ther interquartile range of the data shown in the box plot above?
The correlation coefficient (chose one) --- A. is B. is not --- appropriate because (chose one) --- A. the variables have a weak linear relationship B. the variables have a linear relationship C. the variables have a nonlinear relationship D. there are outliers not graded
Can you match the appropriate description to the data sets?

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Data Set I 41 44 45 47 47 48 51 53 58 66 Data Set II 20 37 48 48 49 50 53 61 64 70