For the data shown, answer the questions. Round to 2 decimal places. 26 20.8 12.6 18.8 23.3 18.3 Find the mean: Find the median: Find the sample standard deviation:
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.
![For the data shown, answer the questions. Round to 2 decimal places.
**Data Set (x):**
- 26
- 20.8
- 12.6
- 18.8
- 23.3
- 18.3
**Tasks:**
1. Find the mean: [__________]
2. Find the median: [__________]
3. Find the sample standard deviation: [__________]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5d201130-f4f7-4c89-8a7d-8eb0f7158013%2F1d3eb116-1864-4e91-8694-c6c82a331aad%2Fh7jaxv_processed.jpeg&w=3840&q=75)
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