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FNU Customer Purchases Business Statistics Questions

Question Description


  1. Question 1

    4 PointsFind the 3 quartiles in the following data set: 4 5 8 7 11 9 9


  2. Question 2

    4 PointsThe number of tables in a restaurant is an example of a discrete variable.


  3. Question 3

    4 PointsThe annual average temperature in California is an example of a discrete variable.


  4. Question 4

    4 PointsThe Social Security numbers of the employees at an engineering firm are an example of qualitative variables.


  5. Question 5

    4 PointsIdentify which sampling technique was used in the following study:Calling randomly generated telephones numbers, a study asked 1256 U. K. adults which medical conditions could be avoided by their diet.


  6. Question 6

    4 PointsIdentify which sampling technique was used in the following study:Every tenth spare part was double checked in a quality control point at the end of the production line.


  7. Question 7

    4 PointsGiven the following frequency distribution, how many pieces of data were less than 28.5?Class BoundariesFrequencies13.5–18.5418.5–23.5923.5–28.51228.5–33.51533.5–38.517


  8. Question 8

    4 PointsWhich of the following could be an ogive?


  9. Question 9

    4 PointsKaren is constructing a pie graph to represent the number of hours her classmates do homework each day. She found that 8 of 24 classmates did homework for three hours each day. In her pie graph, this would represent how many degrees?


  10. Question 10

    4 PointsFind the class with the least number of data values.


  11. Question 11

    4 PointsFind the class with the greatest number of data values.


  12. Question 12

    4 PointsIf a data set showing types of pizza ordered at a particular restaurant indicates 24 out of 72 orders were for pepperoni pizza, how many degrees would be needed to represent pepperoni pizza in a pie chart?


  13. Question 13

    4 PointsWhat are the boundaries of the class 12-16?


  14. Question 14

    4 PointsWhat is the median of the following set of values? 8, 6, 3, 1, 12


  15. Question 15

    4 PointsFind the range of the set of values 4, 15, 3, 10, and 5.


  16. Question 16

    4 PointsWhich of the following is the properly rounded mean for the given data? 7, 8, 13, 9, 10, 11


  17. Question 17

    4 PointsWhat is the midrange of the following data set? 2, 8, 7, 9, 1, 9, 15, 15, 15


  18. Question 18

    4 PointsFind the median of the following data set.7, 9, 9, 9, 7, 13Blank 1


  19. Question 19

    4 PointsIf a distribution is negatively skewed as shown in the figure below, the mean will fall to the right of the median and the mode will fall to the left of the median.


  20. Question 20

    4 PointsIf a red suit is drawn from an ordinary deck of cards, what is the probability that the card is a diamond?


  21. Question 21

    4 PointsIf a coin is tossed three times, the probability that the coin lands on heads at least one of those three times is 7/8.


  22. Question 22

    4 PointsWhat is the set of all possible outcomes of a probability experiment?


  23. Question 23

    4 PointsAccording to popular belief, 80% of adults enjoy drinking beer. Choose a group of 3 adults at random. The probability that all of them enjoy drinking beer is:


  24. Question 24

    4 PointsIf the probability that it will rain tomorrow is 0.32, what is the probability that it will not rain tomorrow?


  25. Question 25

    4 PointsWhat type of probability uses a knowledge of sample spaces as opposed to experiments to determine the numerical probability that an event will occur?

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