/*! 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. 2 Medical study variables Data fro... [FREE SOLUTION] | 91影视

91影视

Log out

Learning Materials

Features

Discover

Chapter 1: Q. 2 (page 7)

Medical study variables Data from a medical study contain values of many variables for each of the people who were the subjects of the study. Here are some of the variables recorded: gender (female or male) age (years) race (Asian, black, white, or other); smoker (yes or no) systolic blood pressure (millimetres of mercury) level of calcium in the blood (micrograms per millilitre).

Identify each as categorical or quantitative.

Short Answer

Expert verified

The categorical values refer to gender, race and smoke. It also puts each individual into certain categories.

Quantitative values also refer to the systolic blood pressure and the level of calcium in the blood.

Step by step solution

01

Identifion of the categorical values 

Gender, race and smoking are put into the categorical values and it places each individual into specific categories.

02

 Step 2: Identification of  the quantitative values 

The quantitative values also refer to the level of calcium and systolic blood pressure. The characteristics of these values can be measured effectively.

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

The audience for movies Here are data on the percent of people in several age groups who attended a movie in the past 12months:

(a) Display these data in a bar graph. Describe what you see.

(b) Would it be correct to make a pie chart of these data? Why or why not?

(c) A movie studio wants to know what percent of the total audience for movies is 18to 24years old. Explain why these data do not answer this question.

Age groupMovie attendence
18 to 24 years83%
25 to 34 years73%
35 to 44 years
68%
45 to 54 years
60%
55 to 64 years
47%
65 to 74 years
32%
75 to and over
20%

Basketball playoffs Here are the scores of the games played in the California Division I-AAA high school basketball playoffs

On the same day, the final scores of games in the Division

V-AA were

(a) Construct a back-to-back stem plot to compare the points scored by the 32 teams in the Division I-AAA playoffs and the 24 teams in the Division V-AA

playoffs.

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

The individuals in this data set are

(a) households. (d) 120 variables.

(b) people. (e) columns.

(c) adults.

U.S. women鈥檚 soccer鈥�2004 Earlier, we examined data on the number of goals scored by the U.S. women鈥檚 soccer team in games during the 2004 season. The dot plot below displays the goal differential for those same games, computed as the U.S. score minus the opponent鈥檚 score

(a) Explain what the two dots above 鈭�2represent.

(b) What does the graph tell us about how well the team did in 2004? Be specific.

Earthquake intensities are measured using a device called a seismograph, which is designed to be most sensitive to earthquakes with intensities between 4.0 and 9.0 the Richter scale. Measurements of nine earthquakes gave the following readings:

where L indicates that the earthquake had an intensity below 4.0 and an H indicates that the earthquake had an intensity above 9.0. The median earthquake intensity of the sample is (a) 5.75. (c) 6.47. (e) Cannot be determined. (b) 6.00. (d) 8.70.
See all solutions

Recommended explanations on Math Textbooks

Pure Maths

Read Explanation

Calculus

Read Explanation

Theoretical and Mathematical Physics

Read Explanation

Applied Mathematics

Read Explanation

Discrete Mathematics

Read Explanation

Geometry

Read Explanation
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.