Home
Subjects
Explanations
Create
Study sets, textbooks, questions
Log in
Sign up
Upgrade to remove ads
Only $35.99/year
Assessment Test #2
STUDY
Flashcards
Learn
Write
Spell
Test
PLAY
Match
Gravity
Terms in this set (37)
central tendency
a measure that represents the typical response or the behavior of a group as a whole
Examples of central tendency
mean, median, mode
how to calculate grouped formula mean
M = Mdpt. I (Sumfd/N)
What is Grouping error?
difference between raw score computation and grouped formula
What is measure of variability?
range, quartile and standard deviation
What does Symmetric distribution look like?
Q3 - Q2 = Q2 - Q1
What does positively skewed look like?
Q3 - Q2 > Q2 - Q1
What does negatively skewed look like?
Q3 - Q2 < Q2 - Q1
What are the two types of relationships in PE and sports?
Degree of relationship between performances and degree of relationship between personal characteristics and performance
What is an example of degree of relationship between performances?
Bench press and shot put
What is an example of degree of relationship between personal characteristics and performance?
Body weight and wrestling performance
What is correlation?
relationship between two variables
what are the two techniques used to determine relationships between variables?
Graphing and Mathematical
What is the graphing technique for variables?
it involves plotting values of one variable along the X axis and values of another variable along the Y axis
What is the mathematical technique for variables?
involves the calculation of a correlation coefficient
What is strength in mathematical technique?
a quantitative value of the relationship between variables, a measure of association or agreement, symbol r, and coefficient ranges 0 +- 1
What is direction in mathematical technique?
positive and negative relationship or direct and inverse relationship
What does value mean to a relationship?
strength
What does sign mean to a relationship?
direction
What does the correlation coefficient graph look like?
What is the parametric method?
Pearson product-moment correlation coefficient (PPMCC)
What is the correlation coefficient formula?
What is the nonparametric method?
Spearman Rank Order Rho Correlation Coefficient
What is the nonparametric method formula?
What is causation?
the relationship between cause and effect
What are two main methods of inferential statistics?
estimation and hypothesis testing
What is a population?
a set of all persons or objects having common characteristics
What is a sample?
a subset of the population
What is a parameter?
a measure representing a characteristic of a population
What is a statistic?
a measure representing a characteristic of a sample
What is a research hypothesis?
states the actual prediction of a relationship
What is a statistical hypothesis?
an assumption about a population parameter, this assumption may or may not be true
What does a z score of 0 represent?
Mean
What does a T score of 50 represent?
mean
What is a T score of 60 equivalent to a z score?
1 z score
For a normal distribution, what percent of scores will fall between =/- 1.87 standard deviation from the mean?
46.93 (look at z table)
Given a T score of 55, what percent of scores will fall between it and the average of the group?
19.15 (look at z table)
Other sets by this creator
Human Sex Test #3
57 terms
Violence Test #3
76 terms
Violence and Bullying Test 2
37 terms
Bullying Prevention Test #2
21 terms