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.
![Question 1
(i)
(a) 1; 4; 9; 16; ......; ......; ...; ....
Rule:
Missing numbers: ƏS 36 49.6481
(2)
(b) 2; 13; 26; 41
Rule:
.: ........ ........
Missing numbers: S8;77;98"121,146
(2)
(c) 4; 14; 29; 49;
Rule:
Missing numbers: Hj 1o1:139:139:224
(2)
(d) 1; 8; 27; 64;
Rule:
..; ........
Missing numbers: 15
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