FREE MATH AND STUDY GAMES ABOUT STATISTICS EXAM

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FREE MATH AND STUDY GAMES ABOUT STATISTICS EXAM

QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -28 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation

Question 1: Interval

Answer:

Level of measurement of data; characterizes data that can be arranged in order and for which diffeences between data values are meaningful

Question 2: Systematic Sampling

Answer:

Sampling in which every kth ( such as every 50th) element is selected

Question 3: Census

Answer:

Collection of data from every element in a population

Question 4: Sampling Error

Answer:

Difference between a sample result and the true population result; results from chance sample fluctuations

Question 5: Simple Random Sample

Answer:

Sample of a particular size selected so that every possible sample of the same size has the same chance of being chosen

Question 6: Population

Answer:

The complete collection of all elements (scores, people, measurements, and so on) to be studied. it includes all subjects to be studied.

Question 7: Census

Answer:

The collection of data from every member of the population

Question 8: Discrete data

Answer:

Data with the property that the number of possible values is either a finite number or a

Question 9: Confounding

Answer:

A situation that occurs when the effects from two or more variables cannot be distinuished from each other

Question 10: Statistics

Answer:

(blank)

Question 11: Statistic

Answer:

Measured characteristic of a sample

Question 12: Random Sample

Answer:

Sample selected in a way that allows every member of the population to have the same chance of being chosen

Question 13: Observational Study

Answer:

Study in which we observe and measure specific characteristics, but don't attempt to manipulate or modify the subjects being studied

Question 14: Sample

Answer:

A subcollection of members selected from a population

Question 15: Experiment

Answer:

Application of treatment followed by observation of its effects on the subjects

Question 16: Convenience Sampling

Answer:

Sampling in which dataa are selected because they are readily available

Question 17: Continuous data

Answer:

Data resulting from infinitely many possible values that correspond to some continuous scale that covers a range of values without gaps, interruptions or jumps

Question 18: Data

Answer:

Observations (such as measurements, genders, survey responses) that have been collected

Question 19: Nonsampling Errors

Answer:

Errors from external factors not related to sampling

Question 20: Parameter

Answer:

Measured characteristic of a population

Question 21: Ordinal

Answer:

Level of measurement of data; characterizes data that may be arranged in order, but differences between data values either cannot be determined or are meningless

Question 22: Self-selected sample

Answer:

Sample in which the respondents themselves decide whether to be included; also called voluntary response sample

Question 23: Statistics

Answer:

Collection of methods for planning experiments, obtaining data, organizing, summarizing, presenting, analyzing, interpreting, and drawing conclusions based on data

Question 24: Sample

Answer:

Subset of a population

Question 25: Cluster Sampling

Answer:

Dividing the population area into sections (or clusters), then randomly selecting a few of those sections, and then choosing all the members from those selected sections

Question 26: Population

Answer:

Complete and entire collection of elements to be studied

Question 27: Stratified Sampling

Answer:

Sampling in which samples are drawn from each stratum (class)

Question 28: Statistics

Answer:

A collection of methods for planning experiments, obtaining data and then organizing, summarizing, presenting, analyzing, interpreting, and drawing conclusions based on the data.