You are examining a data set with a condensed stem-and-leaf plot. (Hint: Look at the plot carefully...why are there non-number symbols in each row of leaves?) The plot is presented below. 24 - 25 | 134*239 26 - 27 | 12*3477789 28 - 29 | *112 30 - 31 | 14* 32 - 33 | 59*06 34 - 35 | 0*349 36 - 37 | 3*9 38 - 39 | * 40 - 41 | 3* What is the minimum value in this data set? min = What is the maximum value in this data set? max = How many data values are in the penultimate class? ans = How many data values are in this data set?
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.
You are examining a data set with a condensed stem-and-leaf plot. (Hint: Look at the plot carefully...why are there non-number symbols in each row of leaves?) The plot is presented below.
24 - 25 | 134*239
26 - 27 | 12*3477789
28 - 29 | *112
30 - 31 | 14*
32 - 33 | 59*06
34 - 35 | 0*349
36 - 37 | 3*9
38 - 39 | *
40 - 41 | 3*
What is the minimum value in this data set?
min =
What is the maximum value in this data set?
max =
How many data values are in the penultimate class?
ans =
How many data values are in this data set?
n=n=
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