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

identify the population, the parameter, the sample, and the statistic in each setting

Unemployment Each month, the Current Population Survey interviews a random sample of individuals in about 55,000U.S. households. One of their goals is to estimate the national unemployment rate. In December 2009,10.0%of those interviewed were unemployed

Short Answer

Expert verified

All individuals in the U.S are the population.

The sample is 55,000U.S households in the population.

The parameter is the unemployment rate.

The statistic is the proportion of people that have been interviewed, that is 10percent is the sample statistic.

Step by step solution

01

Given Information

Each month, the Current populace Survey interviews vs an irregular example of people in around 55,000U.S. family units. One of their objectives is to appraise the national joblessness rate. In December 10.0%of those met were jobless.

02

Explanation

The individuals that are studied are considered as the population. Here, all individuals of the U.S are the population.

A sample is the subpart of the population that is studied to get details about the population.

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 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

About 75% of young adult lnternet users (Ages18-29)watch online viden. Suppose that a sample survey contacts an SRS of 1000young adult Internet users and calculates the proportion of Pโžin this sample who watch online video.

What is the mean of sampling distribution of Pโžexplain

The Gallup Poll has decided to increase the size of its random sample of voters from about 1500people to about 4000people right before an election. The poll is designed to estimate the proportion of voters who favor a new law banning smoking in public buildings. The effect of this increase is to

(a) reduce the bias of the estimate.

(b) increase the bias of the estimate.

(c) reduce the variability of the estimate.

(d) increase the variability of the estimate.

(e) have no effect since the population size is the same

Cold cabin? The Fathom screenshot below shows the results of taking 500SRSs of 10temperature readings from a population distribution thatโ€™s N(50,3)and recording the sample minimum each time.

(a) Describe the approximate sampling distribution.

(b) Suppose that the minimum of an actual sample is 40ยฐF. What would you conclude about the thermostat manufacturerโ€™s claim? Explain.

Identify the population, the parameter, the sample, and the statistic in each setting.

Stop smoking! A random sample of 1000people who signed a card saying they intended to quit smoking were contacted nine months later. It turned out that 210(21%)of the sampled individuals had not smoked over the past six months.

A study of voting chose 663registered voters at random shortly after an election. Of these, 72%said they had voted in the election. Election records show that only56% of registered voters voted in the election. Which of the following statements is true about the boldface numbers?

(a)72%is a sample; 56%is a population.

(b) 72%and56% are both statistics.

(c)72%is a statistic and 56%is a parameter.

(d) 72%is a parameter and 56%is a statistic.

(e) 72%and56% are both parameters.

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.

Sign-up for free