Give the degrees of freedom, the test statistic and the p-value. Enter the exact answer for the degrees of freedom, round your answer for the for the test statistic to two decimal places and your answer for the p-value to three decimal places. Degrees of freedom = Test statistic = i
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.
![Studies are fınding that bacteria in the stomach are essential for healthy functioning of the human body. One study compared the
number of unique bacterial genes in stomachs of healthy patients and those of patients with irritable bowel syndrome (IBS). For
healthy patients, we haveI
127 million and n =
564 million with s =
122 million and n = 99. For those with IBS, we have I = 425 million with
25. Both distributions appear to be approximately normally distributed. Test to see if people with IBS
S =
have, on average, significantly fewer unique bacterial genes in their stomachs.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Faa9b3405-28ee-4cdb-aaa4-d5df923774cb%2F72059bf1-ade6-47be-8c67-d35b5b519589%2Fioca2r_processed.png&w=3840&q=75)
![Give the degrees of freedom, the test statistic and the p-value.
Enter the exact answer for the degrees of freedom, round your answer for the for the test statistic to two decimal places and
your answer for the p-value to three decimal places.
Degrees of freedom =
Test statistic =](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Faa9b3405-28ee-4cdb-aaa4-d5df923774cb%2F72059bf1-ade6-47be-8c67-d35b5b519589%2Furocjno_processed.png&w=3840&q=75)
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