Logout Open In App
Open In App
Warning: foreach() argument must be of type array|object, bool given in /var/www/html/web/app/themes/studypress-core-theme/template-parts/header/mobile-offcanvas.php on line 20

Chapter 12: Q1A. (page 741)

Identify each sample, and suggest a population from which it was selected. Then classify the type of data collection used.

A research facility analyzed two groups of rats to determine their reaction to sugar.

Short Answer

Expert verified

The sample is the rats selected for research.

The population is all the rats.

The type of data collection used is anobservational study.

Step by step solution

01

Step 1. Identify each sample, and suggest a population from which it was selected.

A sample is some portion of a larger group called the population.

Therefore, the sample is the rats selected for research and the population is all the rats.

02

Step 2. Classify the type of data collection used.

Observational study is a data collection technique in which data are recorded after just observing the sample.

As, a research facility analysed two groups of rats to determine their reaction to sugar. That is research facility is observing the sample. Therefore, the type of data collection used is observational study.

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.

Start your free trial

Over 30 million students worldwide already upgrade their learning with Vaia!

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

Find the mean, variance, and standard deviation to the nearest tenth for the set of data.

1, 1, 3, 4, 6

Malika spins a spinner that is divided into 8 equal sections. Each section is a different color, including blue. What is the probability the spinner lands on the blue section?

Find the mean, variance, and standard deviation to the nearest tenth for each set of data.

10,10,12,14

Identify each sample, and suggest a population from which it was selected. Then classify the type of data collection used.

FLOWERS A nursery is sending out questionnaires to determine which flowers people like best. They send the questionnaires out to all people over 50 on their mailing list.

Identify each sample, and suggest a population from which it was selected. Then classify the sample as simple, stratified, or systematic. Explain your reasoning.

At a bridal shower, a sticker was placed on the bottom of three random plates. The guests who receive the starred plates will win a prize.
See all solutions

Recommended explanations on Math Textbooks

Calculus

Read Explanation

Discrete Mathematics

Read Explanation

Theoretical and Mathematical Physics

Read Explanation

Decision Maths

Read Explanation

Geometry

Read Explanation

Probability and Statistics

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.

Sign-up for free