Flashcards on Introduction to Fundamental Statistical Concepts
Introduction to Fundamental Statistical Concepts
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Statistics
21 cards
Card 1
Question: What are two meanings of the term 'Statistics' given in the content?
Answer: 1) Numbers that can be collected to define, organize and present data. 2) A field of study.
Card 2
Question: What are the two main types of statistics?
Answer: Descriptive statistics and Inferential statistics.
Card 3
Question: What is the purpose of descriptive statistics?
Answer: To summarize or describe data.
Card 4
Question: Given the scores 95, 90, 80, 85, 95, 100, what is the average reported in the content?
Answer: 90.83
Card 5
Question: For the scores 95, 90, 80, 85, 95, 100, what is the median as calculated in the content?
Answer: 92.5 (the two middle values 90 and 95 averaged to 92.5).
Card 6
Question: For the scores 95, 90, 80, 85, 95, 100, what is the mode?
Answer: 95
Card 7
Question: List key tools or documents associated with descriptive statistics according to the content.
Answer: Graphs, mode, average.
Card 8
Question: What does inferential (preferential) statistics help us do?
Answer: Draw conclusions about a population based on data collected from a sample.
Card 9
Question: Give the inferential statistics example involving students' favourite lunch from the content.
Answer: Ask 50 students; 30 say pizza, so infer that most students in the whole school probably prefer pizza.
Card 10
Question: Name key tools used in inferential statistics as listed in the content.
Answer: Hypothesis testing, confidence intervals, regression analysis, ANOVA (Analysis of Variance).