Below is a table for eruptions of Old Faithful: The duration fo the eruption and the time interval after the eruption before the next eruption. 255 140 262 207 227 251 242 Duration 94 92 91 81 102 91 91 IntervalAfter Do a correlation and regression analysis at a significance level of 0.05. What is the expected Interval after when the duration is 245 Duration is the independent variable (x)
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.
I need help to solve this on the TI-84. Thank you in advance for your answer.
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