Station #1: Use my graph paper to record your answer
10/5/07
Warm up:
Check your homework on the overhead
Notes: None – Shortened periods today
Calculator needs to be used for each of the four stations below.
Station #1: Use my graph paper to record your answer.
| |On a science quiz, 20 students received the following scores: 100, 95, 95, 90, 85, 85, 85, 80, 80, 80, 80, 75, 75, 75, |
| |70, 70, 65, 65, 60, 55. Construct a statistical graph, such as a histogram to display this data. [Be sure to title the |
| |graph and label all axes or parts used.] If you use your calculator to do this, write the steps on your graph paper. |
| |If you do it by hand, I should see a frequency chart. |
| | |
| |[pic] |
| | |
Station #2: Use the graph paper for this station.
| |The following set of data represents the scores on a mathematics quiz: |
| |58, 79, 81, 99, 68, 92, 76, 84, 53, 57, |
| |81, 91, 77, 50, 65, 57, 51, 72, 84, 89 |
| |Complete the frequency table below and, on the accompanying grid, draw and label a frequency histogram of these scores.|
| |Enter the data in the calculator – Sort and then record in the frequency table. |
| |Create the Histogram in the calculator and than record the answer below. |
| |[pic] |
| | |
| |[pic] |
Station #3: Use your own paper and the calculator to answer these questions.
| |The ages of five children in a family are 3, 3, 5, 8, and 18. Which statement is true for this group of data? |
| |(1) mode > mean (3) median = mode |
| |(2) mean > median (4) median > mean |
| |Jorge made the accompanying stem-and-leaf plot of the weights, in pounds, of each member of the wrestling team he was |
| |coaching. |
| |109,173,141,161,167,134,138,123,168,128,123,168,178,145,168,145 |
| | |
| |What is the mode of the weights? |
| |(1) 145 (3) 152 |
| |(2) 150 (4) 168 |
| |What was the median high temperature in Middletown during the 7-day period shown in the table below? |
| | |
| |[pic] |
| | |
| |(1) 69 (3) 71 |
| |(2) 70 (4) 73 |
| |On an English examination, two students received scores of 90, five students received 85, seven students received 75, |
| |and one student received 55. The average score on this examination was |
| |(1) 75 (3) 77 |
| |(2) 76 (4) 79 |
Station #4: Use your own paper and the calculator to answer these questions.
| |Rosario and Enrique are in the same mathematics class. On the first five tests, Rosario received scores of 78, 77, 64, |
| |86, and 70. Enrique received scores of 90, 61, 79, 73, and 87. How much higher was Enrique’s average than Rosario’s |
| |average? |
| |(1) 15 points (3) 3 points |
| |(2) 2 points (4) 4 points |
| |The accompanying stem-and-leaf plot represents Ben’s test scores this year. |
| |65,73,81,96,68,73,83,99,73,83,99,73,86,73,87,79 |
| | |
| |What is the median score for this set of data? |
| |(1) 73 (3) 80 |
| |(2) 79 (4) 81 |
| |The accompanying graph shows the high temperatures in Elmira, New York, for a 5-day period in January. |
| | |
| |[pic] |
| | |
| |Which statement describes the data? |
| |(1) median = mode (3) mean < mode |
| |(2) median = mean (4) mean = mode |
| |From January 3 to January 7, Buffalo recorded the following daily high temperatures: 5°, 7°, 6°, 5°, and 7°. Which |
| |statement about the temperatures is true? |
| |(1) mean = median (3) median = mode |
| |(2) mean = mode (4) mean < median |
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