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LuxTheGirl2543
12.12.2021 •
Mathematics
Sam has saved 170 sand dollars and wants to give them away equally to his friends . Find the total number of sand dollars each of Sam's friends will get if Sam gives them to 10 friends .
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Ответ:
17
Step-by-step explanation:
170/10=17
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).