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.
Answer: line 2
Explanation: hope this helps
Answer:
13% per pair of shoes
because if she 78% on 6 shoes you would divide 78 by 6 to find the percent she spent on one pair of shoes
Answer:
The slope is 2.
Step-by-step explanation:
DIVIDE 13-5/2+2
That gives you 8/4 which equals 2.
You can play 8 games as you only have 17 dollars left after buying the snack. If you wanted to get rid of the 1 dollar remaining, tip the shop.