/*! This file is auto-generated */ .wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none} Q. 55. Making money The parallel dotplo... [FREE SOLUTION] | 91影视

91影视

Making money The parallel dotplots show the total family income of randomly chosen individuals from Indiana (38 individuals) and New Jersey (44 individuals). Compare the distributions of total family incomes in these two samples..

Short Answer

Expert verified

Indiana's distribution is roughly symmetric, whereas New Jersey's distribution is skewed to the right.

The Indiana distribution has a potential outlier at 125 thousand dollars, whereas the New Jersey distribution appears to be devoid of outliers.

The median distribution in Indiana appears to be slightly higher than the median distribution in New Jersey.

The variation in the New Jersey distribution exceeds that in the Indiana distribution.

Step by step solution

01

Step 1. Given information. 

The parallel dotplots show the total family income individuals from Indiana (38 individuals) and New Jersey (44 individuals).

02

 Step 2.The distributions of total family incomes in these two samples.. 

State of Indiana :

We can see that the distribution is roughly symmetric because the dotplot's peak(s) are roughly in the middle of the dtoplots.

We can see that the distribution's peak is between $25,000 and $75,000, and there is also a gap between $100,000 and $125,000, with a potential outlier at $125,000.

The median total family income appears to be $45,000, as this is roughly the middle value of the distribution's peak.

The total family income in Indiana ranges from 0 to 125 thousand dollars.

State of New Jersey:

We can see that the distribution is skewed to the right because the peak in the dotplot is to the left, with a tail of fewer dots to the right.

We can see that the single peak of the distribution is between $25,000 and $50,000, and there are a few gaps in the distribution (80-90, 100, 125-130, 155-160).

The median total family income appears to be $37.5 thousand, as this is roughly the middle value of the distribution's peak.

The total family income in New Jersey ranges from $5,000 to 165,500 dollars.

Comparison:

Indiana's distribution is roughly symmetric, whereas New Jersey's distribution is skewed to the right.

The Indiana distribution has a potential outlier at 125 thousand dollars, whereas the New Jersey distribution appears to be devoid of outliers.

The median distribution in Indiana appears to be slightly higher than the median distribution in New Jersey.

Because the spread of the dots in the dotplots is greater in the New Jersey distribution, the variation is greater than in the Indiana distribution.

As a results:

Indiana's distribution is roughly symmetric, whereas New Jersey's distribution is skewed to the right.

The Indiana distribution has a potential outlier at 125 thousand dollars, whereas the New Jersey distribution appears to be devoid of outliers.

The median distribution in Indiana appears to be slightly higher than the median distribution in New Jersey.

The variation in the New Jersey distribution exceeds that in the Indiana distribution.

Unlock Step-by-Step Solutions & Ace Your Exams!

  • Full Textbook Solutions

    Get detailed explanations and key concepts

  • Unlimited Al creation

    Al flashcards, explanations, exams and more...

  • Ads-free access

    To over 500 millions flashcards

  • Money-back guarantee

    We refund you if you fail your exam.

Over 30 million students worldwide already upgrade their learning with 91影视!

One App. One Place for Learning.

All the tools & learning materials you need for study success - in one app.

Get started for free

Most popular questions from this chapter

Women and children first? Here鈥檚 another table that summarizes data on survival status by gender and class of travel on the Titanic:

(a) Find the distributions of survival status for males and for females within each class of travel. Did women survive the disaster at higher rates than men? Explain.

(b) In an earlier example, we noted that survival status is associated with class of travel. First-class passengers had the highest survival rate, while third-class passengers had the lowest survival rate. Does this same relationship hold for both males and females in all three classes of travel? Explain.

Watch that caffeine! The U.S. Food and Drug Adminis tration (USFDA) limits the amount of caffeine in a 12-ounce can of carbonated beverage to 72 milligrams. That translates to a maximum of 48 milligrams of caffeine per 8-ounce serving. Data on the caffeine content of popular soft drinks (in milligrams per 8-ounce serving) are displayed in the stemplot.

Part (a). Why did we split stems?

Part (b). Give an appropriate key for this graph.

Part (c). Describe the shape of the distribution. Are there any outliers?

Multiple Choice Select the best answer.

Exercises 9 and 10 refer to the following setting. At the Census Bureau website www.census.gov, you can view detailed data collected by the American Community Survey.

The following table includes data for 10 people chosen at random from the more than 1 million people in households contacted by the survey. 鈥淪chool鈥 gives the highest level of education completed.

The individuals in this data set are

(a) households.

(b) people.

(c) adults.

(d) 120 variables.

(e) columns

Facebook and age Refer to the preceding exercise.

Part (a). Find the distribution of Facebook use for each of the three age groups. Make a segmented bar graph to compare these distributions.

Part (b). Describe what the graph in part (a) reveals about the association between age and Facebook use.

Paying for championships Refer to Exercise 73. Here is a better graph of the 2008 salary distributions for the Yankees and the Phillies. Write a few sentences comparing these two distributions.

See all solutions

Recommended explanations on Math Textbooks

View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

Study anywhere. Anytime. Across all devices.