online exam
Part 1 of 1 – 65.0/ 100.0 PointsQuestion 1 of 200.0/ 5.0 PointsA nurse measured the blood pressure of each person who visited her clinic. Following is a relative-frequency histogram for the systolic blood pressure readings for those people aged between 25 and 40. Use the histogram to answer the question. The blood pressure readings were rounded up to the next whole number.Approximately what percentage of the people aged 25–40 had a systolic blood pressure reading greater than or equal to 130?A. 15%B. 28%C. 75%D. 90%Question 2 of 205.0/ 5.0 PointsThe data below represent the results of a poll in which the following questions was asked: “To what degree are you satisfied with your current health insurance?” Which pie chart below represents the given data set?Very 14.5%Somewhat 26.3%Not at all 36.8%No opinion 22.4%A.B.C. Both represent the data.D. Neither represent the data.Question 3 of 205.0/ 5.0 PointsThe stacked bar chart below shows the percentages of death due to cancer in four geographic regions of the U.S. that occurred in three ethnic groups in 2003.In which geographic area did Hispanics account for their lowest percentage of cancer deaths in 2003?A. NortheastB. MidwestC. SouthD. WestQuestion 4 of 205.0/ 5.0 PointsWhich line chart below represents the data?A.B.C.D. None of the aboveQuestion 5 of 205.0/ 5.0 PointsFind the original data from the stem-and-leaf plot.A. 95, 91, 99, 101, 111, 115B. 91, 95, 91, 109, 119, 115C. 95, 99, 101, 101, 115, 115D. 95, 99, 101, 109, 115, 115Question 6 of 205.0/ 5.0 PointsIdentify the utility that accounts for over half the total bill in two months.A. WaterB. ElectricC. GasD. No single utility accounts for more than half the total bill in two monthsQuestion 7 of 205.0/ 5.0 PointsThe table shows the end–of–the–month checking account balance of a statistics teacher for the months January 1999 through December 1999 as determined by the closing balance on the last banking day of the month. The balance is rounded to the nearest dollar.A.B.C.D. None of the aboveQuestion 8 of 205.0/ 5.0 PointsThe stacked bar chart below shows the percentages of death due to cancer in four geographic regions of the U.S. that occurred in three ethnic groups in 2003.In which geographic area did Hispanics account for their highest percentage of cancer deaths in 2003?A. NortheastB. MidwestC. SouthD. WestQuestion 9 of 200.0/ 5.0 PointsThe histogram below shows the ages of the actors who won the Academy Award for best actor from 1970 to 2006.How many of the award winners were 50 years old or older at the time they won their Oscar?A. 6B. 9C. 15D. 18Question 10 of 205.0/ 5.0 PointsThe ages of employees of a company are summarized in the frequency table. Which line chart below represents the data?A.B.C.D.None of the aboveQuestion 11 of 200.0/ 5.0 PointsThe data below are the numbers of hours of homework done as reported by 24 high school juniors for the last week in September, 2006. 6, 5, 6, 4, 6, 6, 9, 7, 6, 3, 8, 5, 5, 8, 6, 5, 8, 6, 5, 7, 5, 8, 7, 4 Using bins of 2 hours width, which relative frequency histogram represents the data?A.B.C.D. None of the aboveQuestion 12 of 200.0/ 5.0 PointsThe stem-and-leaf plot below shows the weights in pounds of halibut caught on an Alaskan fishing boat for one day.How many values are there less than 40?A. 6B. 8C. 9D. 5Question 13 of 205.0/ 5.0 PointsIdentify the class that has had the greatest percentage increase with respect to its initial percentage over the five decades.A. FrB. SoC. JrD. SrQuestion 14 of 205.0/ 5.0 PointsThe stem–and–leaf diagram below shows the highest wind velocity ever recorded in 30 different U.S. cities. The velocities are given in miles per hour. The leaf unit is 1.0.How many of the maximum wind velocities are 88 miles per hour or lower?A. 2B. 5C. 11D. 18Question 15 of 200.0/ 5.0 PointsThe bar chart shows the relative frequencies of winners of the Wimbledon women’s singles tennis title for 1976 – 1995.How many titles did Graf and Navratilova win?A. .75B. 14C. 15D. 40Question 16 of 200.0/ 5.0 PointsA nurse measured the blood pressure of each person who visited her clinic. Following is a relative–frequency histogram for the systolic blood pressure readings for those people aged between 25 and 40. Use the histogram to answer the question. The blood pressure readings were rounded down to the next whole number.Given that 600 people were aged between 25 and 40, approximately how many had a systolic blood pressure reading recorded as between 120 and 149 inclusive?A. 48%B. 250C. 288D. 300Question 17 of 200.0/ 5.0 PointsIdentify the class that had the lowest percentage increase in 2.5 or better GPA’s between the fourth and fifth decades.A. SrB. JrC. SoD. FrQuestion 18 of 205.0/ 5.0 PointsIdentify the utility that decreases as a percentage of the total utility bill from January to June.A. ElectricB. Natural GasC. WaterD. None decrease from January to June.Question 19 of 205.0/ 5.0 PointsThe following dot plot represents the ages of the people in a sample selected from a group of campaign volunteers.How many people were in the sample?A. 15B. 21C. 27D. 28Question 20 of 205.0/ 5.0 PointsThe following multiple line graph shows the numbers of death due to cancer in four geographic regions of the U.S. that occurred in three ethnic groups in 2003.In which geographic area was the number of cancer deaths among whites the highest in 2003?A. NortheastB. MidwestC. SouthD. West
