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Problem 1 Problem 2 Problem 3 Problem 4 Problem 5 Problem 6 Problem 7 Problem 8 Problem 9 Problem 10 Problem 11 Problem 12 Problem 13 Problem 14 Problem 15 Problem 16

Problem 11 Easy Difficulty

Exercise 6.7 presents a regression model for predicting the average birth weight of babies based on length of gestation, parity, height, weight, and smoking status of the mother. Determine if the model assumptions are met using the plots below. If not, describe how to proceed with the analysis.

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Intro Stats / AP Statistics

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Chapter 6

Multiple and logistic regression

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Linear Regression and Correlation

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Video Transcript

Um, and the answer to this question, we have to work with a T I 83 or a graphing calculator. So start by selecting stat for statistics, choose edit, and then you're gonna insert your data on what you're gonna dio. Let's put the mother's data in the l one column but the daughter's data in the L two column, and then when you're all done with that, you're gonna restart and you're gonna then go back to stat. This time, though, you're gonna click Cal Cook, and then you're gonna go down to the fourth option Lynn Rag, which stands for linear regression. And then you should get this as an output. So this is our linear regression, you know, typical slope equation. And it should point that out and should also tell you where a in this case is equal to 0.103 be is able to 58.1 and our 0.533 this one. This our value is our linear regression. And what this is basically saying is that there is a 53% more or less correlative, um, strength between these data points. So it isn't really strong. Um, correlation. But nevertheless, we're still gonna answer the next question, which is what we're gonna dio if if a mother is 67 inches, what will the daughter be? Theoretically using the equation. So all we have to do is plugging these values into our slope equation, where 67 is going to be our X value and then a value in the B value. So all we have to dio is plugging these values and calculate so a 0.103 times X, which is 67 plus B, which is 58 0.1, and the answer you get is 60 five inches.

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Introductory Statistics with Randomization and Simulation

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Top Intro Stats / AP Statistics Educators
Srikar K.

Temple University

Boris M.

University of North Carolina at Chapel Hill

Heather Z.

Oregon State University

Lucas E.

University of St. Thomas

Intro Stats / AP Statistics Courses

Lectures

Video Thumbnail

0:00

Intro

Video Thumbnail

0:00

Scatterplots A

Join Course
Recommended Videos

03:04

The heights of mothers and daughters are given in the following table:
(T…

02:50

The heights of mothers and daughters are given in the following table: (TABL…

23:19

The data set BWGHT contains data on births to women in the United States. Tw…

11:19

Use the data from Exercise 45 to examine the association between Weight and …

01:44

For the following exercises, consider this scenario: The weight of a newborn…

01:22

Vahya infant weights A study of nutrition in developing countries collected …

00:50

Exercises $51-56$ present data in the form of tables. For each data set show…

02:55

A regression was run to determine whether there is a relationship between th…

01:43

What are the assumptions for regression analysis?

02:25

Which Model? The following data represent the birth rate (births per 1000 po…

03:52

Regression Equations. The following scatter diagram shows the relationship b…

00:39

For the following exercises, consider this scenario: The population of a cit…

01:25

Projected Birth Weight. Ultrasonic images of 29-weekold fetuses can be used …

00:47

Smokers don't live as long (on average) as nonsmokers, and heavy smoker…

08:12

For women age $25-34$ in the HANES5 sample, the relationship between height …

01:30

Determine whether or not the histogram indicates that a normal distribution …

04:30

Exercises 51–56 present data in the form of tables. For each data set shown …

02:17

Use the same data sets as Exercises $13-28$ in Section Io-I. In each case, f…

00:49

For the following exercises, consider this scenario: The population of a cit…

01:12

Interpreting a Computer Display. In Exercises $5-8,$ we want to consider the…

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