Exam 2: Creating Tables and Drawing Pictures of Data

Identify the Shape of a Distribution - A sample of 15 Little League players was selected and their weights (in pounds) were recorded as follows: 97 120 137 124 117 108 134 126 123 106 130 110 100 120 140

The pie chart shows the percentage of votes received by each candidate in the student council presidential election. Use the pie chart to answer the question. -Student Council President 500 total votes What percent of the votes did Lili and Ming receive together

Draw Stem-and-Leaf Plots -The number of home runs that Mark McGwire hit in the first 13 years of his major league baseball career are listed below. (Source: Major League Handbook) Construct a stem-and-leaf plot for this data. 3 49 32 33 39 22 42 9 9 39 52 58 70

Create Cumulative Frequency and Relative Frequency Tables -The heights (in inches) of 30 lawyers are listed below. Construct a relative frequency ogive using five classes. 70 72 71 70 69 73 69 68 70 71 67 71 70 74 69 68 71 71 71 72 69 71 68 67 73 74 70 71 69 68

Use the graph to answer the question. -The local police, using radar, checked the speeds (in mph) of 30 motorists in a construction area. The results are listed below. Construct a frequency bar graph and a relative frequency bar graph. 44 38 41 50 36 36 43 42 49 48 35 40 37 41 43 50 45 45 39 38 50 41 47 36 35 40 42 43 48 33

Draw Time-Series Graphs -The data below represent the consumption of high-energy drinks (in gallons) by adult Americans over a nine-year period. Year 2001 2002 2003 2004 2005 2006 2007 2008 2009 Consumption (gal) 10 11 11 12 13 14 15 15 13

Draw Dot Plots -The local police, using radar, checked the speeds (in mph) of 30 motorists at a busy intersection. The results are listed below. Construct a dot plot for the data. 44 38 41 50 36 36 43 42 49 48 35 40 37 41 43 50 45 45 39 38 50 41 47 36 35 40 42 43 48 33

Construct Frequency Polygons -The local police, using radar, checked the speeds (in mph) of 30 motorists in a construction area. The results are listed below. Construct a frequency polygon using six classes and a class width of 3. 44 38 41 50 36 36 43 42 49 48 35 40 37 41 43 50 45 45 39 38 50 41 47 36 35 40 42 43 48 33

Identify the Shape of a Distribution -The data set: ages of dishwashers (in years) in 20 randomly selected households 12 6 4 9 11 1 7 8 9 8 9 13 5 15 7 6 8 8 2 1

Create Cumulative Frequency and Relative Frequency Tables -The grade point averages for 40 evening students are listed below. Construct a frequency ogive using eight classes. 2.0 3.2 1.8 2.9 0.9 4.0 3.3 2.9 3.6 0.8 3.1 2.4 2.4 2.3 1.6 1.6 4.0 3.1 3.2 1.8 2.2 2.2 1.7 0.5 3.6 3.4 1.9 2.0 3.0 1.1 3.0 4.0 4.0 2.1 1.9 1.1 0.5 3.2 3.0 2.2

Create Cumulative Frequency and Relative Frequency Tables -The local police, using radar, checked the speeds (in mph) of 30 motorists in a construction area. The results are listed below. Construct a frequency distribution, a relative frequency distribution, a cumulative frequency distribution, and a relative cumulative frequency distribution using six classes. 44 38 41 50 36 36 43 42 49 48 35 40 37 41 43 50 45 45 39 38 50 41 47 36 35 40 42 43 48 33

The pie chart shows the percentage of votes received by each candidate in the student council presidential election. Use the pie chart to answer the question. -A random sample of 30 high school students is selected. Each student is asked how much time he or she spent on the Internet during the previous week. The following times (in hours) are obtained: 5 13 7 10 7 5 7 6 4 10 8 6 6 5 8 7 4 4 9 6 4 6 13 8 5 9 5 8 7 6 Construct a frequency distribution for the data.

The pie chart shows the percentage of votes received by each candidate in the student council presidential election. Use the pie chart to answer the question. -A sample of 25 community service projects is obtained and the scores are recorded. The results are shown below. Construct a frequency histogram for this data. 97 96 96 95 96 99 97 97 100 99 95 98 95 96 100 95 98 96 96 100 95 97 99 97 98

The pie chart shows the percentage of votes received by each candidate in the student council presidential election. Use the pie chart to answer the question. -A study was conducted to determine how people get jobs. Four hundred subjects were randomly selected and the results are listed below. Round percents to whole numbers.

The pie chart shows the percentage of votes received by each candidate in the student council presidential election. Use the pie chart to answer the question. -The March utility bills (in dollars) of 30 homeowners are listed below. Construct a frequency distribution and a relative frequency distribution using six classes. 44 38 41 50 36 36 43 42 49 48 35 40 37 41 43 50 45 45 39 38 50 41 47 36 35 40 42 43 48 33

Construct Histograms of Continuous Data - For the data below, construct a frequency histogram and a relative frequency histogram. Weight (in pounds) Frequency 135-139 6 140-144 4 145-149 11 150-154 15 155-159 8

Use the graph to answer the question. -Given the bar graph shown below, the Pareto chart that would best represent the data should have the bars in the following order.

Create Cumulative Frequency and Relative Frequency Tables -The commute time (in minutes) of 30 executives are listed below. Construct a frequency distribution, a relative frequency distribution, a cumulative frequency distribution, and a relative cumulative frequency distribution using five classes. 70 72 71 70 69 73 69 68 70 71 67 71 70 74 69 68 71 71 71 72 69 71 68 67 73 74 70 71 69 68

Create Cumulative Frequency and Relative Frequency Tables -The heights (in inches) of 30 lawyers are listed below. Construct a frequency ogive using five classes. 70 72 71 70 69 73 69 68 70 71 67 71 70 74 69 68 71 71 71 72 69 71 68 67 73 74 70 71 69 68

Draw Stem-and-Leaf Plots -The heights (in inches) of 30 mechanics are listed below. Construct a stem-and-leaf plot for the data. 70 72 71 70 69 73 69 68 70 71 67 71 70 74 69 68 71 71 71 72 69 71 68 67 73 74 70 71 69 68