The Mode is the value that occurs most frequently in a dataset.

What are Measures of Dispersion?

Measures of Dispersion describe the extent to which numerical data varies about an average value.

Variance measures how far a set of numbers is spread out from their average value.

What is Standard Deviation?

Standard Deviation is the square root of the variance, indicating how much individual data points deviate from the mean.

What is a Random Variable?

A Random Variable is a variable whose values depend on the outcomes of a random phenomenon.

A Histogram is a graphical representation of the distribution of numerical data.

Skewness measures the asymmetry of the probability distribution of a real-valued random variable.

What is the Central Limit Theorem?

The Central Limit Theorem states that the sampling distribution of the sample mean approaches a normal distribution as the sample size becomes large.

What is a Null Hypothesis (H0)?

The Null Hypothesis (H0) states that there is no effect or no difference, and it is the hypothesis that researchers aim to test.

What is an Alternative Hypothesis (H1)?

The Alternative Hypothesis (H1) states that there is a relationship between two variables.

A P-Value indicates the probability of obtaining test results at least as extreme as the observed results, assuming that the null hypothesis is true.

What is a Confidence Interval?

A Confidence Interval is a range of values that is likely to contain the population parameter with a certain level of confidence.

A T-Test is used to determine if there is a significant difference between the means of two groups.

A Z-Test is used when the population standard deviation is known and the sample size is large.

ANOVA (Analysis of Variance) is a statistical test used to analyze the differences between the means of three or more groups.

What is a Chi-Square Test?

A Chi-Square Test is a non-parametric test used to determine if there is a significant association between categorical variables.

What is the difference between Population Data and Sample Data?

Population Data (N) is the entire group of individuals or instances, while Sample Data (n) is a subset of the population.

What are the four scales of measurement?

1. Nominal Scale 2. Ordinal Scale 3. Interval Scale 4. Ratio Scale.

What is a Nominal Scale?

A Nominal Scale is the first level of measurement where numbers serve as labels to classify objects.

What is an Ordinal Scale?

An Ordinal Scale is the second level of measurement that reports the ordering and ranking of data.

What is an Interval Scale?

An Interval Scale is a quantitative measurement scale where the difference between two variables is meaningful.

What is a Ratio Scale?

A Ratio Scale is a quantitative measurement scale that has a true zero point, allowing for comparison of differences.

What is the Empirical Rule in statistics?

The Empirical Rule states that for normal distributions, 68% of data falls within one standard deviation, 95% within two, and 99.7% within three standard deviations.

What is a Bernoulli Distribution?

A Bernoulli Distribution is a discrete probability distribution for a random variable which takes the value 1 with probability p and the value 0 with probability 1-p.

What is a Binomial Distribution?

A Binomial Distribution describes the number of successes in a fixed number of independent Bernoulli trials.

What is a Poisson Distribution?

A Poisson Distribution describes the number of events occurring in a fixed interval of time or space.

What is a Normal Distribution?

A Normal Distribution is a continuous probability distribution that is symmetrical about the mean.

What is a Log-Normal Distribution?

A Log-Normal Distribution is a continuous distribution of a random variable whose logarithm is normally distributed.

What is the difference between Discrete and Continuous Data?

Discrete Data can take only specific values, while Continuous Data can take any value within a given range.

What is a Sampling Technique?

A Sampling Technique is a method used to select individuals from a population to participate in a study.

What is Simple Random Sampling?

Simple Random Sampling is a sampling method where every individual has an equal chance of being selected.

What is Stratified Sampling?

Stratified Sampling involves dividing the population into subgroups and sampling from each subgroup.

What is Systematic Sampling?

Systematic Sampling involves selecting individuals at regular intervals from a list of the population.

What is Convenience Sampling?

Convenience Sampling includes individuals who are most accessible to the researcher.

What is Purposive Sampling?

Purposive Sampling involves selecting individuals based on specific characteristics or criteria.

What is Cluster Sampling?

Cluster Sampling involves dividing the population into clusters and randomly selecting entire clusters for the sample.

Covariance is a measure of the relationship between two random variables.

What is the Pearson Correlation Coefficient?

The Pearson Correlation Coefficient measures the strength and direction of the linear relationship between two variables.

What is Spearman's Rank Correlation Coefficient?

Spearman's Rank Correlation Coefficient assesses how well the relationship between two variables can be described using a monotonic function.

What is a Probability Distribution Function?

A Probability Distribution Function describes the likelihood of different outcomes in an experiment.

What is a Cumulative Distribution Function (CDF)?

A Cumulative Distribution Function gives the probability that a random variable is less than or equal to a certain value.

What is a Probability Mass Function (PMF)?

A Probability Mass Function describes the probability distribution of a discrete random variable.

What is a Probability Density Function (PDF)?

A Probability Density Function describes the probability distribution of a continuous random variable.

What is Hypothesis Testing?

Hypothesis Testing is a statistical method used to make decisions about population parameters based on sample data.

Introduction to Statistics Flashcards

Student preview

130 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What is the definition of Statistics?

Back

Statistics is the science of collecting, organizing, and analyzing data.

2.

FLASHCARD QUESTION

Front

What is Data?

Back

Data refers to facts or pieces of information.

3.

FLASHCARD QUESTION

Front

What are the two main types of Statistics?

Back

1. Descriptive Statistics 2. Inferential Statistics

4.

FLASHCARD QUESTION

Front

What does Descriptive Statistics involve?

Back

Descriptive Statistics involves organizing, summarizing, and visualizing data.

5.

FLASHCARD QUESTION

Front

What are Measures of Central Tendency?

Back

Measures of Central Tendency include Mean, Median, and Mode.

6.

FLASHCARD QUESTION

Front

How is the Mean calculated?

Back

The Mean is calculated as the sum of all values in the dataset divided by the number of values.

7.

FLASHCARD QUESTION

Front

What is the Median?

Back

The Median is the middle value of a dataset arranged in ascending or descending order.

Access all questions and much more by creating a free account

Create resources

Host any resource

Get auto-graded reports

Continue with Google

Continue with Email

Continue with Classlink

Continue with Clever

or continue with

Microsoft

Apple

Others

Already have an account?

Similar Resources on Wayground

71 questions

Computer Organization and Architecture

Flashcard

•

University

66 questions

L7-U1 WF

Flashcard

•

KG

58 questions

Citizenship and Volunteering vocab

Flashcard

•

11th Grade

56 questions

U2 tiếng anh

Flashcard

•

University

50 questions

CHAPTER 8 FLASHCARD LOVELIES SB025

Flashcard

•

University

116 questions

Sky HIgh unit 1 vocabulary

Flashcard

•

6th - 8th Grade

95 questions

1000 Từ Vựng Tiếng Anh Theo Chủ Đề

Flashcard

•

12th Grade

Popular Resources on Wayground

7 questions

History of Valentine's Day

Interactive video

•

4th Grade

15 questions

Fractions on a Number Line

Quiz

•

3rd Grade

20 questions

Equivalent Fractions

Quiz

•

3rd Grade

25 questions

Multiplication Facts

Quiz

•

5th Grade

$fractions$

22 questions

fractions

Quiz

•

3rd Grade

15 questions

Valentine's Day Trivia

Quiz

•

3rd Grade

20 questions

Main Idea and Details

Quiz

•

5th Grade

20 questions

Context Clues

Quiz

•

6th Grade

Discover more resources for Mathematics

10 questions

Add & Subtract Mixed Numbers with Like Denominators

Quiz

•

KG - University

7 questions

Introduction to Fractions

Interactive video

•

1st Grade - University

28 questions

Parallel lines and Transversals

Quiz

•

9th Grade - University

16 questions

Parallel, Perpendicular, and Intersecting Lines

Quiz

•

KG - Professional Dev...