Chapter 7 Definitions
1. Hypothesis Test
a process that uses sample statistics to test a claim about a population parameter
2. Statistical hypothesis
statement about a population parameter
3. Null hypothesis
4. Alternative hypothesis
5. Complementary stat
Chapter 9.2/9.3 Definitions
Chapter 9.2
1. Residual
The difference between the observed and predicted value
2. Regression line (line of best fit)
3. Prediction values are meaningful only for x-values in (or close to) the range of the observed xvalues in t
Chapter 9.1 Definitions
1. Correlation
The relationship between two variables, can be represented by the ordered pairs
2. independent (or explanatory) variable
X, in correlation ordered pairs
3. dependent (or response) variable
Y, in correlation ordered p
Ch 6 Definitions
Ch 6.1 Confidence intervals for mean ( known)
1. Point Estimate
A single value estimate for a population parameter
2. Interval estimate
An interval, or range of values, used to estimate a population parameter
3. Level of confidence c
The
Chapter 10 Definitions
1. Multinomial Experiment probability experiment consisting of a fixed number of
independent trials in which there are 2+ possible outcomes for each trial
2. Chi-square goodness-of fit test
3. Observed frequency
4. Expected frequenc
Chapter 8 Definitions (8.1-8.4)
1.
Two sample Hypothesis Test
2.
Independent Samples
When the sample selected from one population is not related to the sample selected from the
second population
3.
Dependent Samples (paired or matched samples)
When each m
Ch 2.3/2.4 Measures of Central Tendency and Variation
Definitions
Ch 2.3
1. Mean
The sum of the data entries divided by the number of entries.
2. Median
The value that lies in the middle of the data when the set is ordered
3. Mode
The data entry that occu
Ch 2.3/2.4 Measures of Central Tendency and Variation
Definitions
Ch 2.3
1. Mean
2. Median
3. Mode
4. Outlier
5. Weighted mean
6. Mean of a frequency distribution (4 steps)
7. What are the 4 shapes of a frequency distribution?
Ch 2.4
8. Range
9. Deviation
Chapter 8 Definitions (8.1-8.4)
1.
Two sample Hypothesis Test
2.
Independent Samples
3.
Dependent Samples (paired or matched samples)
4.
What are the 3 hypothesis pairs?
5.
No matter which hypotheses you use, what do you always assume?
6.
What 4 condition
Makenna Giese
Personal Reflection
April 27th 2016
Better at The Home Ballpark
Through this statistical process I learned how to apply statistics to the real world. This is
going to benefit me in the long run of knowing that I can figure different things o
Chapter 9.2/9.3 Definitions
Chapter 9.2
1. Residual
a. Difference between the observed y-value and the predicted y-value for a given x-value
2. Regression line (line of best fit)
a. The line for which the sum of the squares of the residuals is a minimum
3
Chapter 9.1 Definitions
1. Correlation
a. A relationship between two variables and is represented by ordered pairs (x,y)
2. independent (or explanatory) variable
a. x is the independent variable
3. dependent (or response) variable
a. y is the dependent va
Chapter 8 Definitions (8.1-8.4)
1.
4.
Two sample Hypothesis Test
Compares two parameters from two populations
Independent Samples
The sample selected from one population is not related to the sample selected from the
second population
Dependent Samples