1. Does the scatter plot appear linear? Strong or weak? Positive or negative? 2. Use the following information to answer the next problem. A random sample of 10 professional athletes produced the...

Answer Sheet
1. Does the scatter plot appear linear? Strong or weak? Positive or negative?
Answer :- The scatterplot is not linear because the points are spread out
2. Use the following information to answer the next problem. A random sample of 10 professional athletes produced the following data where x is the number of endorsements the player has and y is the amount of money made (in millions of dollars).
    x
    y
    x
    y
    0
    2
    5
    12
    3
    8
    4
    9
    2
    7
    3
    9
    1
    3
    0
    3
    5
    13
    4
    10
Draw a scatter plot of the data. 
Answer:-

The Scatterplot is strongly positive correlation because the points are moving upwards as x increases y also increases
3. The table below shows the life expectancy for an individual born in the United States in certain years.
    Year of Birth
    Life Expectancy 
    1930
    59.7
    1940
    62.9
    1950
    70.2
    1965
    69.7
    1973
    71.4
    1982
    74.5
    1987
    75
    1992
    75.7
    2010
    78.7
a. Decide which variable should be the independent variable and which should be the dependent variable. 
Answer :- Life Expectancy will be the dependent variable and Year of birth will be the independent variable
b. Draw a scatter plot of the ordered pairs.
Answer :-

As Year of Birth increases life expectancy also increases so there is...