/*! 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. 3 A class survey Here is a small p... [FREE SOLUTION] | 91影视

91影视

A class survey Here is a small part of the data set that describes the students in an AP Statistics class. The data come from anonymous responses to a questionnaire filled out on the first day of class.

a. What individual does with the data set describe

b. Identification of the quantitative variables

c. describe the individual in a highlighted row

Short Answer

Expert verified

a. The data set also refers to a set of information about an individual.

b. The variables recorded were gender, hand, and height.

c. The highlighted row in the data table represents a right-handed female with all the attributes.

Step by step solution

01

Given information

Given,

02

Part (a): Step 1: Describe what each person does with the data set.

The people profiled here are seven anonymous students in an AP Statistics class who were chosen at random to fill out a questionnaire on the first day of class.

03

Part (b) Step 1: The quantitative variable and the measuring units must be identified.

There are six variables that describe the students in AP Statistics class that are measured here. The variables, as well as their types and measurement units, are listed below.

As can be seen from the table above, three of the six variables are quantitative, namely Height, Homework Time, and Pocket Change, with measurement units of inches, minutes, and cents, respectively.

04

Part (c) Step 1: Describe the person in the highlighted row.

The female student in the highlighted class is right-handed, is 58 inches tall, completes her homework in 60 minutes, enjoys alternative music, and has 76 cents in her pocket.

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

Here, once again, is the stem plot of travel times to work for 20randomly selected New Yorkers. Earlier, we found that the median was 22.5minutes.

Would the mean or the median be a more appropriate summary of the center of this distribution of drive times? Justify your answer.

We used Census At School鈥檚 鈥淩andom Data Selector鈥 to choose a sample of 50Canadian students who completed a survey from 2007-2008

The bar graph displays data on students鈥 responses to the question 鈥淲hich of these methods do you most often use to communicate with your friends?鈥

(a) Would it be appropriate to make a pie chart for these data? Why or why not?

(b) Jerry says that he would describe this bar graph as skewed to the right. Explain why Jerry is wrong.

Healthy cereal? Researchers collected data on 77 brands of cereal at a local supermarket.25 For each brand, the sugar content (grams per serving) and the shelf in the store on which the cereal was located (1 = bottom, 2 = middle, 3 = top) were recorded. A dot-plot of the data is shown below. Compare the three distributions. Critics claim that supermarkets tend to put sugary kids鈥 cereals on lower shelves, where the kids can see them. Do the data from this study support this claim?

Where do the young live? Below is a stem plot of the percent of residents aged 25 to 34 in each of the 50 states. As in the stem plot for older residents (page 35), the stems are whole percent and the leaves are tenths of a percent. This time, each stem has been split in two, with values having leaves 0 through4 placed on one stem, and values ending in 5 through 9 placed on another stem.

(a) Why did we split stems?

(b) Utah has the highest percentage of residents aged 25 to 34. What is that percent? Why do you think Utah has an unusually high percentage of residents in this age group?

(c) Describe the shape, center, and spread of the distribution, ignoring Utah.

Comparing AP scores The table below gives the distribution of grades earned by students taking the AP Calculus AB and AP Statistics exams in 2009

(a) Make an appropriate graphical display to compare the grade distributions for AP Calculus AB and AP Statistics.

(b) Write a few sentences comparing the two distributions of exam grades.

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.