The graph shows the amount of medicine remaining after a certain number of hours. Medicine Remaining in mg vs Time in hours 200 175 E150 125 100 75 50 25 1 Time in hours Medicine Remaining in mg
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 graph shows the amount of medicine remaining after a certain number of hours.**
### Medicine Remaining in mg vs Time in hours
**Graph Description:**
- **X-axis:** Time in hours, ranging from 0 to 3.
- **Y-axis:** Medicine Remaining in mg, ranging from 0 to 200.
- The graph displays a downward-sloping line indicating the decrease in the amount of medicine over time.
**Data Points:**
- At 0 hours, there are 200 mg of medicine.
- At 1 hour, approximately 150 mg remain.
- At 2 hours, around 100 mg remain.
- At 3 hours, the amount decreases to approximately 50 mg.
**Pattern Description:**
The pattern is **decreasing** over time, and the graph appears to show a **linear** relationship between time and the amount of medicine remaining.
### Describe the pattern. Choose all that apply:
- [ ] Increasing
- [x] Decreasing
- [x] Linear
- [ ] Exponential
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