he following data show the ages of recent award-winning male actors at the time when they won their award. Make a frequency table for the data, using bins of 20-29, 30-39, and so on. 1 Click the icon to view the ages of male actors. Complete the table below. Age No. of actors 20-29 nothing 30-39 nothing 40-49 nothing 50-59 nothing 60-69 nothing 70-79 nothing 1: Data Table 36 55 21 74 57 53 42 33 43 58 35 43 54 48 35 46 63 59 78 36 57 48 35 42 48 34 33 48 42 32 34 60 46
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.
|
Age
|
No. of actors
|
|---|---|
|
20-29
|
nothing
|
|
30-39
|
nothing
|
|
40-49
|
nothing
|
|
50-59
|
nothing
|
|
60-69
|
nothing
|
|
70-79
|
nothing
|
|
|
|
|
|
|
|
|
|
|
|
|
|
36
|
55
|
21
|
74
|
57
|
53
|
42
|
33
|
43
|
58
|
|
|
35
|
43
|
54
|
48
|
35
|
46
|
63
|
59
|
78
|
36
|
|
|
57
|
48
|
35
|
42
|
48
|
34
|
33
|
48
|
42
|
32
|
|
|
34
|
60
|
46
|
35
|
|
|
|
|
|
|
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