The following statements represent the dgrees of ten students in the subjects of democracy x and Arabic y Degrees 86 90 68 66 90 74 89 97 66 84 Degrees 70 89 62 94 80 77 72 89 59 88 Find the following: 1- Pearson simple linear correlation coefficient and the type of relationship betweent them? 2-Convert grades into grades.? Find the Spearman rank correlation coefficient for the extracted estimates? 3- Classify in a frequency distribution table all the extracted estimates (20) for both variables
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 following statements represent the dgrees of ten students in the subjects of democracy
x and Arabic y
Degrees 86
90
68
66
90
74
89
97
66
84
X
Degrees 70
89
62
94
80
77
72
89
59
88
y
Find the following:
1- Pearson simple linear correlation coefficient and the type of relationship betweent
them?
2-Convert grades into grades.? Find the Spearman rank correlation coefficient for the
extracted estimates?
3- Classify in a frequency distribution table all the extracted estimates (20) for both
variables
4- Draw the relative circle and indicate the percentage of each estimate on the figure.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5920f66a-63dc-48c4-bcf0-224f623cec2f%2F795db32e-6e75-49d9-b38e-e3a7a024c155%2Fcihjnkwo_processed.jpeg&w=3840&q=75)
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