Please help! I don't understand this at all!
1. Lin wants to know how many games teenagers in the United States have on their phones.
What is the population for Lin's question?
2. Lin wants to know how many games teenagers in the United States have on their phones.
Explain why collecting data for this population would be difficult.
3. Lin wants to know how many games teenagers in the United States have on their phones.
Give an example of a sample Lin could use to help answer her question.

1. All the teenagers in the U.S.

2. He can only be in one place at a time and even then gathering all the data would take too long and with such a large population there would be too much room for error

3. Instead he could do his grade/lunch/class.

see below

step-by-step explanation:

7.   there are 10 data points in the set.   the middle point is between 5 and 6.   the middle point in the top half is 8   and the middle point in the bottom half is 3. to find the iqr , take point 8 and subtract point 3

mid term   point 8 = 100   point 3 = 88

iqr = 100-88 = 12

final   point 8 = 93   point 3 = 78

iqr = 93 - 78 = 15

the final has the greatest iqr

6.   b - there is a high data value that causes the data set to be asymmetrical for the males: the data for males are high and asymmetrical .   there is an outlier for the males that skews the data

5.   the   iqr is a better measure of spread for the movies and basketball games.   since the basketball game has an outlier, we do not want to use standard deviation for measurement.  

3.   the exam median is much higher than the class median.   the median line is farther to the right on the exams

2.   there is no way to tell what the means are from the box and whisker plots.