The mean speeds o compared. A sample populations have nc speedier fastball. Pitcher Sample M Wesley 86 Rodriguez 91 Fill in the blanks to c To find the p-value of -NORM.DIST(-5,0.SC Note: Round the p-va
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.
![The mean speeds of fastball pitches from two different baseball pitchers are to be
compared. A sample of 14 fastball pitches is measured from each pitcher. The
populations have normal distributions. Scouters believe that Rodriguez pitches a
speedier fastball.
Pitcher
Sample Mean Speed of Pitches (mph) Population Standard Deviation
Wesley
86
3
Rodriguez 91
7
Fill in the blanks to correctly complete the statement.
To find the p-value of
you would use the Excel command
-NORM.DIST(-5,0.SQRT(
^2/14+7^2/
).1)
Note: Round the p-value to three places.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7ebe685a-e9f8-462d-89d0-ca1966b73fe2%2Fcd3d81eb-4b8f-4693-982c-1253a693b233%2F4x8gjg_processed.jpeg&w=3840&q=75)
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