Part I -Explain in your own words the purpose of calculating measures of central tendency for a data set. Provide one (1) example.
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.
Part I -Explain in your own words the purpose of calculating measures of
Part II- Explains the concept of bias, related to the mean,
Part III-If you were allowed to choose between the mean, the median, or the mode to calculate the measures to make a decision on a data set, which of the three measures would you use and why?
Part IV-Using the data below, compute the mean, mode, and median: 67, 98, 87, 95, 93, 88, 90, 62, 71, 99.
Part v-Find the first and third
Part VI-Below is a table of frequencies. Find the mean, mode, and median. Frequency Limits (f) 110-115 15 116-121 22 122-127 19 128-133 20 134-139 9 140-145 21 146-151 11
Part VII- Below are the weight (pounds) data for a group of babies born at Auxilio Mutuo Hospital last month: 5.8, 7.5, 8.0, 6.0, 7.3, 8.1, 6.4, 7.3, 7.2, 6.1, 5.8, 5.7, 6.4, 7.3, 7.0, 7.3, 6.2, 4.8, 5.1, 6.9. Calculate the following values:
a) average
b) fashion
c) median
d) average travel
e) middle axis
f) Q1
g) Q3
h) P42
i) P89
Part VIII -With the data below, prepare a box graph (summary of five (5) numbers): 114, 90, 85, 123, 98, 78, 69, 85, 99, 111, 77, 83, 71, 69, 93 .
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