3.2 Quiz Two 31 January 2014 • Name:

1. ____________________ Determine the level of measurement for the pillars data.
2. __________ Calculate the sample size n for the pillars data.
3. __________ Calculate the sample mean x.
4. __________ Calculate the sample standard deviation sx.
5. __________ Calculate the sample coefficient of variation CV.
6. __________ For a pillar count of 313, calculate the z-score.
7. __________ For a pillar count of 482, calculate the z-score.
8. __________ Is the z-score for a pillar count of 313 an unusual value, a z-score outlier?
9. __________ Is the z-score for a pillar count of 482 an unusual value, a z-score outlier?

10. Favorite food	Eight	Nine	Ten	All
    Pickled green papaya	1			1
    Rice	1		1	2
    Ramen	1	1		2
    Chicken	5	1	1	7
    Steak	1		1	2
    Pizza/lasagna	3	3	3	9
    Yam	1		1	2
    Potato salad	1	3	1	5
    Fish	4	7	8	19
    Ice cream	1			1
    Banana	3	3	2	8
    Pork	1			1
    Turkey	1			1
    Turtle	1		2	3
    Watermelon		1		1
    Hot dog		1		1
    Cheeseburger		1		2
    Loco moco		1		1
    Taro			1	1
    Breadfruit			3	3

    Use the data in the favorite foods table for your section only to answer the following:
    1. ____________________ Determine the level of measurement.
    2. __________ Calculate the sample size n.
    3. __________ Determine the mode.
    4. Make a frequency table including the relative frequency
    5. Sketch a frequency histogram.