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Jony4359
12.09.2020 •
Mathematics
61.4 is 14 percent of what
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Ответ:
percent means parts out of 100 so 14%=14/100=7/50
61.4 is (=) 14 percent (7/50) of (times) what (x)
61.4=7/50x
multiply both sides by 50/7 to clear the fraction
438.571=x
the number is 438.571
Ответ:
1. When given a raw score, it must be converted into a z-score (standard score). Raw scores cannot be placed on a normal distribution curve because they do not have the same means and standard deviations, but when it is converted into a z-score, the number of standard deviations above or below the population mean can be measured. The z-scores on the center are average, the scores on the left are lower than average and the scores on the right are higher than average.
2. A z-score is a standard score which can be placed on a normal distribution curve. A z-score indicates the distance of the standard deviations from the mean (center of the curve).