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Exercise 1.1

1.
Obtain the distribution of hair color for the above 20 students. Then draw a bar chart of it by hand. Obtain the sample proportion of blonds.
2.
Obtain the distribution of hair color for the above 20 students using the summary module.
3.
Sometime ago, Carrie had a deck of 59 baseball cards. The data recorded from this deck can be found by clicking here. The fourth column of this data gives the stronger hand of the baseball player, 0 for right-handed and 1 for left-handed. Obtain the distribution of the strong hand of a baseball player and obtain a histogram of it by hand.
4.
Repeat the exercise using the summary module to draw the histogram.
5.
Note that about 11% of the males in America are left-handed. Obtain the sample proportion of left-handed baseball players. Does it seem high compared to 11%? If so, can you think of a reason why it would be high?
6.
Obtain the distribution and obtain the proportion of ones in the following sample.

 
            Data
            1
            1
            1
            1
            0
            0
            0
            1
            1
            0
            1
            0
            0
            0
            1
            0
            0
            0
            1
            0
            0
            0
            1
            1
            1
            0
            0
            1
            1
            1
            0
            0
            0
            1
            0
            1
            0
            0
            1
            0



2000-08-26