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					Name:_____________________________                         Date:_______________________
                                                           Period:________ Score:________
                                                                            35 Possible Points

                                        Quiz: 5.1-5.2

Directions: All work must be shown. Be sure to include units where they are needed. All word
            problems must be answered in a complete sentence. Point values are listed next to
            each problem, so budget your time appropriately.


1) Use your method of choice to solve the following proportions. [3 pts. each]

     4 x
A.    
     6 15




     10 25
B.     
      x 12




2) Use cross multiplication to turn each rate into a unit rate. [2 pts. each]

     430 mi                                              240 in
A.                                                  B.
      50 hr                                              16 oz




Page 1 of 6
3) Plot the points on the coordinate plane and draw a fitted line. Use your fitted line to answer
the question below. [5 pts.]

                         Total Cats
      Month
                          Rescued
           1                 30
           3                 50
           4                 85
           5                100
           6                130
           8                150
           9                190
          10                200



                         280
                         260
                         240
                         220
                         200
               Number of 180
                 Cats    160
                Rescued
                         140
                         120
                         100
                          80
                          60
                          40
                          20
                           0
                               0   1    2    3     4    5    6   7      8    9    10 11 12
                                                            Month


Estimate the average number of cats the firemen will take in during a 12 month period..

Answer:




Page 2 of 6
4) Corey runs the first 36 miles of the Australian Triathlon in 180 minutes.

A. Setup a proportion and solve to find Corey’s unit rate in miles per hour. [3 pts.]




B. At that speed, in minutes, how long would it take Corey to run the remaining 4 miles of the
race? [2 pts.]




C. If the race was 60 miles instead of 40 miles would Corey be able to finish in under 305 total
minutes? Explain your answer. [2 pts.]




Page 3 of 6
5)

                              Time Spent Studying

              8

              6
     People




              4

              2

              0
                       0-59     60-119 120-179 180-239 240-299              300+
                                           Time (min.)
6) Using the histogram above, state the number of people that spent more than 3 hours studying?
Explain your answer. [2 pts.]
______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________




Page 4 of 6
7) Create a stem-and-leaf plot using these 14 game scores from the club basketball team at The
College of New Jersey: 28, 45, 32, 22, 54, 47, 32, 41, 52, 44, 39, 48, 56, and 61. [2 pts.]




8) Use the stem-and-leaf plot you created in question 7 to fill in the following chart. [8 pts.]


                                            Mean:            Mode:                     Range:



Min:                Lower Quartile          Median:          Upper Quartile            Max:
                    (25%):                                   (75%):




Page 5 of 6
9) This box-and-whisker plot shows the number of turns taken in many games of Jenga between
Ms. V. and Mr. Canik. Use it to answer the questions below. [1 pt.]




        6          8          10         12      14         16        18         20




A. What is the median number of turns?




B. What is the range of the number of turns?




Page 6 of 6

				
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