CSE 111: Lab 6

1. What is the median and what’s the first step to find it?
   1. Most frequent occurring data value and is found by putting the data values in numerical order
   2. Middle observation in an ordered data list and is found by putting the data values in numerical order
   3. Middle observation in an ordered data list and is found by putting the data values in random order
   4. Most frequent occurring data value and is found by putting the data values in random order
2. Which of the following best describes the mode?
   1. Most frequent occurring data value. If every data value has the same frequency, the data set has no mode
   2. Middle observation in an ordered data list. If every data value has the same frequency, the data set has no mode
   3. Most frequent occurring data value. If every data value has the same frequency, you will find the data’s mode
   4. Middle observation in an ordered data list. If every data value has the same frequency, you will find the data’s mode
3. What is the Mean and how can it be found?
   1. The arithmetic average and is found by adding all the data values, then dividing that sum by the number of data values
   2. The arithmetic average and is found by adding all the data values, then multiplying that sum by the number of data values
   3. The arithmetic average and is found by subtracting all the data values, then dividing that sum by the number of data values
   4. Most frequent occurring data value and is found by subtracting all the data values, then multiplying that sum by the number of data values
4. Which of the following best describes standard deviation?
   1. A measure of the “typical” deviation from the median for the values in the data set
   2. The “typical” deviation, square all numbers in a data set, divide by the amount of numbers in the data set and subtract the mean square, square root the number
   3. A measure of the “typical” deviation from the mean for the values in the data set
   4. A numerical value used to indicate how widely individuals in a group vary
5. According to topic 17 and your pre-existing knowledge, a normal curve is referred to as
   1. Bell curve
   2. Ideal curve
   3. Gaussian curve
   4. Probability curve
6. The best answer that describes the basic characteristics of a normal curve is
   1. All of the observations lie above the horizontal axis and under the curve
   2. The curve practically touches the horizontal axis at the two points on the horizontal axis that are located three standard deviations from the mean
   3. The peak occurs above the value on the horizontal, corresponding to the mean of the data set. The curve is symmetric with respect to the mean. The curve changes concavity above the two points on the horizontal axis located one standard deviation from the mean
   4. None of the above
7. What does the z-score tell us?
   1. How many standard deviations the observed data value lies away from the mean
   2. Exact amount of standard deviations in the observed data
   3. The predicted amount of deviations observed in the data value that lies away from the media
   4. How many deviations the observed data value lies away from the reason
8. What term best defines range?
   1. The subtraction of the maximum and minimum number from the data
   2. The difference between the maximum data value and the minimum data value
   3. Both A and B
   4. None of the above
9. According to topic 16.3 in WileyPLUS, which of the following best describes interquartile range?
   1. Length of the middle half of the data and is found by first identifying the first and fourth quartiles of the data
   2. Length of the lower half of the data and is found by first identifying the first and second quartiles of the data
   3. Length of the middle half of the data and is found by first identifying the first and third quartiles of the data
   4. Length of the middle half of the data and is found by first identifying the first and second quartiles of the data
10. What answer best describes first quartile (Q1) and third quartile (Q3)?
    1. The first quartile (Q1), is the median of the lower half of the data values. The third quartile (Q3), is the median of the upper half of the data values. This involves finding two additional medians.
    2. The first quartile (Q1), is the median of the lower half of the data values. The third quartile (Q3), is the median of the upper half of the data values.
    3. The first quartile (Q1), is the median of the upper half of the data values. The third quartile (Q3), is the median of the lower half of the data values.
    4. Both A and B
11. Which of the following best describes the five-number summary?
    1. List the first and third quartiles, together with the median and the minimum and maximum data values
    2. Listing the quartiles, with the median and the minimum and maximum data values
    3. List the first and third quartiles, together with the mode and the minimum and maximum data values
    4. Listing the quartiles, together with the mode of the maximum data value
12. Sun rises in this direction
    1. North
    2. South
    3. East
    4. West
13. Sun rises in this direction
    1. North
    2. South
    3. East
    4. West
14. Sun rises in this direction
    1. North
    2. South
    3. East
    4. West
15. Sun rises in this direction
    1. North
    2. South
    3. East
    4. West

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