Project #14186 - Statistics frequency distribution

QUIZ #1                                Name:

 

 

**Please include all work sheets not just answers**

1)  Moore Travel, a nationwide travel agency, offers special rates on certain Caribbean cruises to senior citizens. The president of Moore Travel wants additional information on the ages of those people taking cruises. A random sample of 40 customers taking a cruise last year revealed these ages: ( Organize the data into a frequency distribution, using 7 classes and 15 as the lower limit of the first class)

 

                            77 18  63  84  38  54  50  59  54  56  36  26  50  34  44  41  58  58  53  71

                            51  62  43  52  53  63  62  62  65  61 52  60  60  45  66  83  71  63  58  61

Classes

F

RF

CRF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(a) If you have to spend marketing funds for a certain age group, based on this data, on what age group would you spend your budget?

 

 

 

 

2)  The local manager of Food Queen is interested in the number of times a customer shops at her store during a two-week period. The responses of 51 customers were:   (Complete the distribution)

                            5   3   3   1   4    4    5   6   4   2   6    6    6    7    1

                            1   14   1   2   4    4     4    5   6    3   5   3   4   5   6

                            8   4   7   6   5    9    11   3    12    4   7    6   5   14   1

                            1    10   8   9   2    12

 

Classes

F

RF

CRF

   0 - 2

 

 

 

  3 – 5

 

 

 

  6 – 8

 

 

 

 9 – 11

 

 

 

12 - 14

 

 

 

Data: Frequency Distributions and Graphic Presentation 

(a) Where do the data tend to cluster?

 

   

3)   The following table lists the salary distribution of full-time instructors in a community college. Complete the relative frequency and cumulative relative frequency columns

 

Salary ($)

Number of Instructors

Relative Frequency

Cumulative Relative Frequency

28,000 up to 33,000

5

 

 

33,000 up to 38,000

6

 

 

38,000 up to 43,000

4

 

 

43,000 up to 48,000

3

 

 

48,000 up to 53,000

7

 

 

 

 

(a) How many instructors earn less than $33 000?

 

  

(b) Seventy-two percent of instructors earn less than what amount?

 

 

4)  The following question was put on a questionnaire: 

            What was your last salary?

a)      0-10,000

b)      10,001 – 20,000

c)      20,001 – 30,000

d)      30,001 – 40,000

e)      40,001 – 50,000     

 

What type of data is being requested? (Underline one)

Nominal                      Ordinal                        Interval                        Ratio

 

 

5)  The following question was put on a questionnaire: 

            What was your last salary? __________________________

 

What type of data is being requested? (Underline one)

 

            Nominal                      Ordinal                        Interval                        Ratio

 

 

6)  NBC quantified the color of eyes of all Monday night actors on their sitcoms.  What is that type of data?    (Underline one)

           

            Nominal                      Ordinal                        Interval                        Ratio

 

 

Subject Mathematics
Due By (Pacific Time) 10/12/2013 12:00 pm
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