he table shows the mean test score and standard deviation of Grade 6 – Sampaguita in different subjects. Subject Mean Score Standard Deviation Mathematics 29 1.7 Science 32 1.85 English 36 2.1 Filipino 34 2 In which subject did the class get the highest coefficient of variation? Science Mathematics English Filipino Which of the following statements is TRUE, based on the table? The scores in English are more compact than Filipino. Filipino is the hardest exam among the four subjects. English has the lowest coefficient of variation. The scores in Science are more variable than the score in Math.
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.
he table shows the
Subject | Mean Score | Standard Deviation |
---|---|---|
Mathematics | 29 | 1.7 |
Science | 32 | 1.85 |
English | 36 | 2.1 |
Filipino | 34 | 2 |
- In which subject did the class get the highest coefficient of variation?
- Science
- Mathematics
- English
- Filipino
- Which of the following statements is TRUE, based on the table?
- The scores in English are more compact than Filipino.
- Filipino is the hardest exam among the four subjects.
- English has the lowest coefficient of variation.
- The scores in Science are more variable than the score in Math.
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