if the texting portion of your plan for $15 a month and you said 500 text messages in a month how much does it cost per text
1 answer:
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Answer:
The mean is of 45.
The standard deviation is 2.28.
Step-by-step explanation:
The mean is the sum of all values divided by the number of values.
The standard deviation is the square root of the sum of the difference squared between each value and the mean, and divided by the number of values.
Mean:
The mean is of 45.
Standard deviation:
The standard deviation is 2.28.