The <u>standard deviation</u> is a measure of dispersion that is used in constructing confidence intervals for the mean and in evaluating research hypotheses.
In statistics, the same old deviation is a degree of the amount of variation or dispersion of a hard and fast of values. A low well-known deviation suggests that the values tend to be close to the suggested of the set, while an excessive widespread deviation shows that the values are spread out over a much broader range.
It tells you, in common, how some distance every rating lies from the suggestion. In everyday distributions, a high well-known deviation approach that values are typically far from the implied, while a low popular deviation suggests that values are clustered close to the mean.
Fashionable deviation tells you ways to unfold out the statistics is. It is a degree of the way some distance each location cost is from the suggest. In any distribution, about ninety-five% of values may be inside 2 preferred deviations of the suggested.
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Answer:
4 kilometers per gallon
Step-by-step explanation:
for unit rate you divided distance by in this case
Answer:
→ 4. 
→ 3. 
→ 1. 
→ 2. 
Step-by-step explanation:
You need to:
Factor out 2 from , then you get the equivalent expression:
this matches with OPTION 4
Factor out 2 from 
, then you get the equivalent expression:
this matches with OPTION 3
Make the subtraction for , then you get the equivalent expression:
this matches with OPTION 1
Factor out 2 from , then you get the equivalent expression:
this matches with OPTION 2
40/100 of b is 65,so b is 162.5
