/*! 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} Q2-10BSC Identify whether the given value... [FREE SOLUTION] | 91影视

91影视

Log out

Learning Materials

Features

Discover

Chapter 1: Q2-10BSC (page 1)

Identify whether the given value is a statistic or a parameter.

Birth Genders In the same study cited in the preceding exercise, 51% of the babies were girls.

Short Answer

Expert verified

The percentage of female babies out of 400 babies born is equal to 51% and represents a statistic.

Step by step solution

01

Given information

The percentage of babies that were girls from a sample of 400 babies is equal to 51%.

02

Statistic and parameter

A parameter is defined as a numerical value that describes a population. For example, 56% of toddlers in the United States say that their most preferred chocolate brand is Hershey鈥檚. The value of 56% represents the population proportion, so this is a parameter.

A statistic is defined as a numerical value that describes a sample. For example, out of 150 students who were surveyed, 47% played basketball. The value 47% represents the sample proportion, so this is a statistic.

03

Identification of a statistic or a parameter

Out of a sample of 400 babies born, the percentage of female babies equals 51%. The value of 51% represents the sample proportion. Therefore, 51% is astatistic.

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

Determine whether the data are from discrete data or continuous data set.

Corvettes A shift manager records the numbers of Corvettes manufactured during each day of production.

Determine whether the data are from discrete data or continuous data set.

Freshman 15In a study of weight gains by college students in their freshman year, researchers record the amounts of weight gained by randomly selected students.

What鈥檚 Wrong? In Exercises 25鈥�28, identify what is wrong.

Potatoes In a poll sponsored by the Idaho Potato Commission, 1000 adults were asked to select their favorite vegetables, and the favorite choice was potatoes, which were selected by 26% of the respondents.

Statistical Significance and Practical Significance. In Exercises 13鈥�16, determine whether the results appear to have statistical significance, and also determine whether the results appear to have practical significance.

Diet and Exercise Program In a study of the Kingman diet and exercise program, 40 subjects lost an average of 22 pounds. There is about a 1% chance of getting such results with a program that has no effect

Statistical Significance and Practical Significance. In Exercises 13鈥�16, determine whether the results appear to have statistical significance, and also determine whether the results appear to have practical significance.

MCAT The Medical College Admissions Test (MCAT) is commonly used as part of the decision-making process for determining which students to accept into medical schools. To test the effectiveness of the Siena MCAT preparation course, 16 students take the MCAT test, then they complete the preparatory course, and then they retake the MCAT test, with the result that the average (mean) score for this group rises from 25 to 30. There is a 0.3% chance of getting those results by chance. Does the course appear to be effective?
See all solutions

Recommended explanations on Math Textbooks

Logic and Functions

Read Explanation

Decision Maths

Read Explanation

Probability and Statistics

Read Explanation

Geometry

Read Explanation

Mechanics Maths

Read Explanation

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.