Home Chapter 1 Quiz

# Quiz

This activity contains 15 questions.

## _______________ statistics consists of methods dealing with the collection, tabulation, summarization, and presentation of data.

 Descriptive Operational Discrete Inferential

## If every member of a population is evaluated, a ____________ has been performed.

 statistic parameter census sampling

## A summary measure of the individual observations made by evaluation of a sample is a(n) __________.

 statistic attribute constant parameter

## Scientists and engineers need to learn statistics in order to know how to:

 present and describe numerical information properly. draw conclusions about large populations from sample information. improve processes and engineer quality into a product. All of the choices are correct.

## Statistical thinking consists of an:

 understanding of variation. awareness of when and how variability affects quality. ability to identify variability that can be controlled. All of the choices are correct.

## A researcher is collecting data on species, gender, and types of trees. These are examples of ___________ variables.

 numerical discrete continuous categorical

## If there is a complete set of categories available such that all items can be classified on a nominal scale, then the categories are __________.

 random collectively exhaustive unbiased mutually exclusive

## _____________ scales identify, order, represent equal distances between score values, and have an absolute zero point.

 Interval Continuous Discrete Ratio

## What type of sample is being selected if the chance of selecting an element from a population for inclusion in the sample is known?

 Random Probability Convenience Quota

## The degree to which a product or service conforms to, meets, and exceeds the standards set forth in the design specifications is the quality of __________.

 design conformance performance All of the choices are correct.

## A sequence of steps that describe an activity from beginning to end is a __________.

 cycle system chart process

## The Plan-Do-Study-Act cycle, also referred to as the _______________ cycle, shows the four steps required to improve a process and illustrates that management’s efforts are continuous and never-ending.

 Wald-Neyman Tukey Pearson Shewhart-Deming

## All members of a class or category of interest make up a __________.

 population universe Both "population" and "universe" Neither "population" or "universe".

## A _____________ is a characteristic that can take different values.

 constant variable data set scale

## A collection of related categorical or numeric information is called a __________.

 simple random sample data set measure process