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Chapter 1: Q. 43 (page 52)

Ski resorts are interested in the mean age that children take their first ski and snowboard lessons. They need this information to plan their ski classes optimally.

Short Answer

Expert verified

a. All youngsters who are taking their first ski or snowboard lessons make up the population.

b. This is a sampling of the youngsters in the group.

c. The population mean age of youngsters taking their first snowboard instruction is the parameter.

d. The sample mean age of youngsters who take their first snowboard instruction is the statistic.

e. X is the age of a youngster who is learning to ski or snowboard for the first time.

f. Values for X, such as 3,7, and so on..

Step by step solution

01

Introduction

Apopulationisadistinctgroupofpeople,whetheritisacountryoracollectionofpeoplewhoshareasimilarattribute.
A population is the group of people from which a statistical sample is selected for a research in statistics.
As a result, a population may be defined as a collection of people who are linked by a common characteristic.
02

Explanation for a

The demographic will be youngsters who are taking their first ski and snowboard lessons, according to the information supplied.

03

Explanation for b

Based on the information supplied, a sample of this data will be drawn from a randomly selected group of children.

04

Explanation for c

The population mean age of children who take their first ski and snowboard lessons will be the parameter of this data, according to the details supplied.

05

Explanation for d

The sample mean age of youngsters that take their first ski and snowboard lessons will be the statistic of this data, according to the specified details.

06

Explanation for e

The age of a single child will be the variable of this data, according to the specified details.

07

Explanation for f

According to the provided details, the data will be the value of the variable like 10 years or 12 years and so on.

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List two reasons why the data may differ.
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