Statistics exam1 - Study guides, Class notes & Summaries

The general process of gathering, organizing, summarizing, analyzing, and interpreting data to assist in making effective decisions is called: a. statistics b. descriptive statistics c. inferential statistics d. levels of measurement -ANSWER a A sample is: a. at least 15 observations b. a group of people c. part of a population d. a set of frequencies -ANSWER c The main purpose of inferential statistics is to: a. summarize data in a useful and informative manner b. estimate pop...

The general process of gathering, organizing, summarizing, analyzing, and interpreting data to assist in making effective decisions is called: a. statistics b. descriptive statistics c. inferential statistics d. levels of measurement - correct answer a A sample is: a. at least 15 observations b. a group of people c. part of a population d. a set of frequencies - correct answer c The main purpose of inferential statistics is to: a. summarize data in a useful and informative man...

Exam (elaborations) TEST BANK FOR Introduction to the Practice of Statistics 9TH Edition By David S. Moore, George P. McCabe, Bruce Craig Chapter 1 Solutions 1.1. Most students will prefer to work in seconds, to avoid having to work with decimals or fractions. 1.2. Who? The individuals in the data set are students in a statistics class. What? There are eight variables: ID (a label, with no units); Exam1, Exam2, Homework, Final, and Project (in units in “points,” scaled from 0 to 100);...

1.1. Most students will prefer to work in seconds, to avoid having to work with decimals or fractions. 1.2. Who? The individuals in the data set are students in a statistics class. What? There are eight variables: ID (a label, with no units); Exam1, Exam2, Homework, Final, and Project (in units in “points,” scaled from 0 to 100); TotalPoints (in points, computed from the other scores, on a scale of 0 to 900); and Grade (A, B, C, D, and E). Why? The primary purpose of the data is to ass...