Name: ________________________________ Date: _______________ Period: _____ Math Prime Quiz: 1.1-1.6 / 22= A highway patrolman records the following speeds of cars that pass him in a minute. 62, 58, 63, 66, 65, 66, 65, 58, 64, 68, 65, 51, 60, 65, 70, 62 1.) Make a dot plot to represent the data, including a title. (2 points) 50 52 54 56 58 60 62 64 66 68 70 2.) Find the landmarks for the data above. Show work for the range, mean, and median. (0.5 point each) a) Minimum: b) Maximum: c) Mode: d) Range: e) Mean: f) Median: 3.) Mrs. Kennish has 15 kids in her class. When she entered the results for her last test, she noticed that the mean was exactly 80. Then she realized that she'd accidentally entered 9 instead of 99 for one student's grade. What will the class's mean be after she enters the correct grade? (2 points)

4. ) Rachel is applying for a summer job 4.) Rachel is applying for a summer job. The six current employees earn $9, $9.50, $10, $10.50, $11, and $25 per hour. In the interview, the boss tells Rachel that she can expect to make about $12.50 per hour because that is the average hourly wage. Why is the boss’s statement misleading? (2 points) 5.) Compare the two graphs. Describe two aspects of the graph(s) that could be interpreted as misleading. When would you use Graph A? When would you use Graph B? (4 points) Graph A Graph B

Range: 15 Maximum: 17 Mode: 12 Median: 10 Mean: 9 6.) Create a data set of ten numbers with the following landmarks representing the ages of people in a pool. (3 points) Range: 15 Maximum: 17 Mode: 12 Median: 10 Mean: 9 Determine if the following questions are statistical or not statistical question. Circle your answer. (1 point each) 7.) What are the favorite foods of 6th graders in my school? Statistical Not statistical 8.) How many inches are in a foot? Statistical Not statistical 9.) Explain the difference between statistical and non-statistical questions.

• Choose the best answer for each of the following questions. 10.) Choose the correct title for the graph below. (1 pt.) Number of Students in a 6th Grade Math Class b. Minutes Spent Driving to School Each Day c. Temperature in January in New Jersey d. Math Test Scores • 10 20 30 40 50 60 70 80 90 100 Answer: _______ 11.) Without finding either, explain whether you would expect the mean or median of the data displayed on the dot plot above to be higher? (2 points)