Statistic Chapter One

CHAPTER ONE

Introduction to Statistics

D 1. The complete collection of all entities under study is called the __________.

E A. sample

Term B. parameter

C. statistic

D. population

B 2. A portion (subset) of the entities under study is called the __________.

E A. parameter

Term B. sample

C. population

D. statistic

B 3. Manuel Banales, Marketing Director of Plano Power Plants, Inc.'s Electrical Division, is leading a study to identify and assess the relative importance of product features. Manuel directs his staff to design a survey questionnaire for distribution to all of Plano’s 954 customers. For this study, the set of 954 customers is a ________________.

E A. statistic

BApp B. population

C. parameter

D. sample

D 4. Manuel Banales, Marketing Director of Plano Power Plants, Inc.'s Electrical Division, is leading a study to identify and assess the relative importance of product features. Manuel directs his staff to design a survey questionnaire for distribution to 100 of Plano’s 954 customers. For this study, the set of 100 customers is a ________________.

E A. statistic

BApp B. population

C. parameter

D. sample

C 5. Sue Taylor, Director of Global Industrial Sales, is concerned by a deteriorating sales trend. Specifically, the number of customers is stable at 1,500, but they are purchasing less each year. She orders her staff to search for causes of the downward trend by surveying all 1,500 industrial customers. For this study, the set of 1,500 industrial customers is a ________________.

E A. statistic

BApp B. sample

C. population

D. parameter

B 6. Sue...