8.6: Review Questions
Created by: CK-12
Answer the following questions and show all work (including diagrams) to create a complete answer.
- In the table below, match the following types of graphs with the types of variables used to create the graphs.
Type of Graph | Type of Variable |
---|---|
a. Histogram | _____ discrete |
b. Stem-and-leaf plot | _____ discrete |
c. Broken-line graph | _____ discrete |
d. Bar chart | _____ continuous |
e. Pie chart | _____ continuous |
- In the table below, match the following types of graphs with the types of variables used to create the graphs.
Type of Graph | Type of Variable |
---|---|
a. Broken-line graph | _____ qualitative |
b. Bar chart | _____ numerical |
c. Pie chart | _____ categorical |
d. Stem-and-leaf plot | _____ quantitative |
e. Histogram | _____ numerical |
- Jack takes a pot of water at room temperature and puts it on the stove to boil , which takes about 5 minutes. He then takes a cup of this water, adds a package of hot chocolate, and mixes it up. He places the cup on the counter to cool for 10 minutes to before having his first sip. After 30 minutes, the hot chocolate is now at room temperature. Thomas is making chocolate chip cookies. He mixes all of the ingredients together at room temperature, which takes him about 5 minutes, and then places the cookies in the oven at for 8 minutes. After cooking, he takes them off the pan and places them on a cooling rack. After 15 minutes, the cookies are still warm (about ), but he samples them for taste. After 30 minutes, the cookies are at room temperature and ready to be served. Draw a broken-line graph for each set of data. Label the graphs to show what is happening.
- Scott is asked to track his daily video game playing. He gets up at 7 A.M. and plays for 1 hour. He then eats his breakfast and gets ready for school. He runs to catch the bus at 8:25 A.M. On the bus ride (about 35 minutes), he plays his IPOD until arriving for school. He is not allowed games at school, so he waits for the bus ride home at 3:25 P.M. When he gets home, he does homework for 1 hour and plays games for 1 hour until dinner. There are no games in the evening. Michael gets up at 7:15 A.M., eats breakfast, and gets ready for school. It takes him 30 minutes to get ready. He then plays games until he goes to meet the bus with Scott. Michael is in Scott’s class, but he has a free period from 11:00 A.M. until 11:45 A.M., when he goes outside to play a game. He goes home and plays his 1 hour of games immediately, and he then works on his homework until dinner. He, like Scott, is not allowed to play games in the evening. Draw a broken-line graph for each set of data. Label the graphs to show what is happening.
- The following graph shows the gasoline remaining in a car during a family trip east. Also found on the graph is the gasoline remaining in a truck traveling west to deliver goods. Describe what is happening for each graph. What other conclusions may you draw?
- Mr. Dugas, the senior high physical education teacher, is doing fitness testing this week in gym class. After each test, students are required to take their pulse rate and record it on the chart in the front of the gym. At the end of the week, Mr. Dugas looks at the data in order to analyze it. The data is shown below: Construct a two-sided stem-and-leaf plot for the data and compare the distributions.
- Starbucks prides itself on its low line-up times in order to be served. A new coffee house in town has also boasted that it will have your order in your hands and have you on your way quicker than the competition. The following data was collected for the line-up times (in minutes) for both coffee houses: Construct a two-sided stem-and-leaf plot for the data. Determine the median and mode using the two-sided stem-and-leaf plot. What can you conclude from the distributions?
- The boys and girls basketball teams had their heights measured at practice. The following data was recorded for their heights (in inches): Construct a two-sided stem-and-leaf plot for the data. Determine the median and mode using the two-sided stem-and-leaf plot. What can you conclude from the distributions?
- The grade 12 biology class did a survey to see what color eyes their classmates had and if there was a connection between eye color and sex. The following data was recorded:
Eye color | Males | Females |
---|---|---|
blue | 5 | 5 |
green | 6 | 8 |
brown | 3 | 4 |
hazel | 4 | 3 |
Draw a double bar chart to represent the data, and draw any conclusions that you can from the resulting chart.
- Robbie is in charge of the student organization for new food selections in the cafeteria. He designed a survey to determine if 4 new food options would be good to put on the menu. The results are shown below:
Food Option | Yes votes | No votes |
---|---|---|
Fish burgers | 10 | 5 |
Vegetarian pizza | 7 | 18 |
Brown rice | 23 | 9 |
Carrot soup | 20 | 20 |
Draw a double bar chart to represent the data, and draw any conclusions that you can from the resulting chart.
- The guidance counselor at USA High School wanted to know what future plans the graduating class had. She took a survey to determine the intended plans for both boys and girls in the school’s graduating class. The following data was recorded:
Future Plans | Boys | Girls |
---|---|---|
University | 35 | 40 |
College | 27 | 22 |
Military | 23 | 9 |
Employment | 10 | 5 |
Other/unsure | 5 | 10 |
Draw a double bar chart to represent the data, and draw any conclusions that you can from the resulting chart.
- International Baccalaureate has 2 levels of courses, which are standard level (SL) and higher level (HL). Students say that study times are the same for both the standard level exams and the higher level exams. The following data represents the results of a survey conducted to determine how many hours a random sample of students studied for their final exams at each level: Draw a box-and-whisker plot for both sets of data on the same number line. Use the double box-and-whisker plots to determine the five-number summary for both sets of data. Compare the times students prepare for each level of exam.
- Students in the AP math class at BCU High School took their SATs for university entrance. The following scores were obtained for the math and verbal sections: Draw a box-and-whisker plot for both sets of data on the same number line. Use the double box-and-whisker plots to determine the five-number summary for both sets of data. Compare the data for the 2 sections of the SAT using the five-number summary data.
- The following box-and-whisker plots were drawn to analyze the data collected in a survey of scores for the doubles performances in the figure skating competitions at 2 Winter Olympic games. The box-and-whisker plot on the top represents the scores obtained at the 2010 winter games in Whistler, BC. The box-and-whisker plot on the bottom represents the scores obtained at the 2006 winter games in Torino, Italy.
- Use the double box-and-whisker plots to determine the five-number summary for both sets of data. Compare the scores obtained at each of the Winter Olympic games.
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Date Created:
Feb 23, 2012Last Modified:
Dec 15, 2014
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