54. Perform the following calculations and report each answer with the correct number of significant figures. (a) 62.8 x 34= 2.1 x 10^3 (b) 0.147 + 0.0066 + 0.012 (c) 38 x 95 x 1.792 (d) 15 - 0.15 - 0.6155 (e) 8.78 x (0.0500/0.478) (f) 140 + 7.68 + 0.014 (g) 28.7 -0.0483 (h) (88.5- 87.57)/45.13
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.
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