The Homecoming committee members are voting on the theme of this year's Homecoming festivities: the 1950's (F), the 1970's (S), or the 1980's (E). Their votes are summarized in the following preference table. Number of Votes 18 11 9 3 2 2 First Choice E F S F S E Second Choice F E F S E S Third Choice S S E E F F Which theme is selected using the pairwise comparison method? F? E? S?
Inverse Normal Distribution
The method used for finding the corresponding z-critical value in a normal distribution using the known probability is said to be an inverse normal distribution. The inverse normal distribution is a continuous probability distribution with a family of two parameters.
Mean, Median, Mode
It is a descriptive summary of a data set. It can be defined by using some of the measures. The central tendencies do not provide information regarding individual data from the dataset. However, they give a summary of the data set. The central tendency or measure of central tendency is a central or typical value for a probability distribution.
Z-Scores
A z-score is a unit of measurement used in statistics to describe the position of a raw score in terms of its distance from the mean, measured with reference to standard deviation from the mean. Z-scores are useful in statistics because they allow comparison between two scores that belong to different normal distributions.
|
Number of Votes
|
18
|
11
|
9
|
3
|
2
|
2
|
|---|---|---|---|---|---|---|
|
First Choice
|
E
|
F
|
S
|
F
|
S
|
E
|
|
Second Choice
|
F
|
E
|
F
|
S
|
E
|
S
|
|
Third Choice
|
S
|
S
|
E
|
E
|
F
|
F
|
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