/*! 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} Problem 1 Briefly describe the two meaning... [FREE SOLUTION] | 91影视

91影视

Log out

Learning Materials

Features

Discover

Chapter 1: Problem 1

Briefly describe the two meanings of the word statistics.

Short Answer

Expert verified
Statistics, as a field, is the science of collecting, organizing, analyzing, interpreting, and presenting data. On the other hand, 'statistics' also refers to the numerical facts or data that are collected.

Step by step solution

01

Define the first meaning of 'statistics'

The first meaning of 'statistics' refers to the science of collecting, organizing, analyzing, interpreting, and presenting data.
02

Define the second meaning of 'statistics'

The second meaning of 'statistics' refers to the numerical facts or data that are gathered through the process described in the first meaning of 'statistics'.

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

Explain the following four sampling techniques. a. Simple random sampling b. Systematic random sampling c. Stratified random sampling d. Cluster sampling

Give one example each of sampling with and sampling without replacement.

Indicate which of the following variables are quantitative and which are qualitative. a. The amount of time a student spent studying for an exam b. The amount of rain last year in 30 cities c. The arrival status of an airline flight (early, on time, late, canceled) at an airport d. A person's blood type e. The amount of gasoline put into a car at a gas station

A researcher advertised for volunteers to study the relationship between the amount of meat consumed and cholesterol level. In response to this advertisement, 3476 persons volunteered. The researcher collected information on the meat consumption and cholesterol level of each of these persons. Based on these data, the researcher concluded that there is a very strong positive association between these two variables. a. Is this an observational study or a designed experiment? Explain. b. Based on this study, can the researcher conclude that consumption of meat increases cholesterol level? Explain why or why not.

A federal govemment think tank wanted to investigate whether a job training program helps the families who are on welfare to get off the welfare program. The researchers at this agency selected 10,000 families at random from the list of all families that were on welfare. Of these 10,000 families, the agency randomly selected 5000 families and offered them free job training. The remaining 5000 families were not offered such job training. After 3 years the two groups were compared in regard to the percentage of families who got off welfare. Is this an observational study or a designed experiment? Explain.
See all solutions

Recommended explanations on Math Textbooks

Applied Mathematics

Read Explanation

Pure Maths

Read Explanation

Calculus

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.