20 Bc 15x15=225 and 25x25=625 625-225=400 and 400 squared root is 20
Answer:
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Answer:
hi... bye... figgure it out yourself
Step-by-step explanation:
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Answer:
20 feet per second
Step-by-step explanation:
130/6.5 = 20
Answer:
It is an unusual result contradicting the national survey.
Step-by-step explanation:
National survey showed 44% of college students who drink.
The professor's survey showed that 96/244 = 39% drink.
The professor's survey deviated from the national survey is 5% (44% - 39%) representing about 0.25% (5% squared) variance.
Standard deviation is the spread of a set of numbers from their mean. In other words, it measures how far an observed value is from the mean. It can be calculated by getting the square root of the variance.
