NT/275 / Practice set 1 *Chapter 02, Section 2.1, Problem 003 The following data give the results of a sample survey. The letters A, B, C represent the three categories. A B A C B B A C A C C C A B A C C C C B B C A B C A C C B C a. Prepare a frequency distribution table. Category Frequency A 4 B 3 C 5 *1 *2 *3 Answer *1: exact number, no tolerance Answer *2: exact number, no tolerance Answer *3: exact number, no tolerance b. Calculate the relative frequencies and percentages for all categories. Round your answers for relative frequencies to three decimal places and your answers for percentages to one decimal place. Cate gory Relative Frequency Percentage *1 *2 *3 *4 *5 *6 A B C Answer *1: the tolerance is +/-2% Answer *2: the tolerance is +/-2% Answer Answer Answer Answer *3: *4: *5: *6: the the the the tolerance tolerance tolerance tolerance is is is is +/-2% +/-2% +/-2% +/-2% c. What percentage of the elements in this sample belong to Category B? Round your answer to one decimal place. elements in this sample belong to category B. *1% of the *1% of the Answer *1: the tolerance is +/-2% d. What percentage of the elements in this sample belong to category A or C? Round your answer to one decimal place. elements in this sample belong to category A or C. Answer *1: the tolerance is +/-2% e. Draw a bar graph for the frequency distribution. Question Attempts: 0 of 3 used Chapter 01, Supplementary Exercises, Problem 042c Indicate whether the following constitutes data collected from a population or a sample. The yearly expenditures on clothes for 30 persons constitute data collected from a . Click if you would like to Show Work for this question:Open Show Work SHOW HINT LINK TO TEXT Question Attempts: 0 of 3 used 8th-ed Chapter 01, Section 1.4, Intelligent Tutoring Problem 014 Indicate whether a given variable is quantitative or qualitative. Recall the following definitions. SAVE SUBMIT FOR ANSWER LATER Qualitative or Categorical Variable cannot assume a numerical value but can be classified into two or more nonnumeric categories. Quantitative Variable can be measured numerically. If the values are countable, it is called a Discrete Variable. If the values can be any numerical value over a certain interval(s), it is called a Continuous Variable. 8th-ed Chapter 01, Section 1.4, Intelligent Tutoring Problem 014 Indicate if the given variable is quantitative or qualitative. If it is quantitative, further classify as discrete or continuous. Enter "NA" in the field for continuity or discontinuity in case of qualitative variable. (a) Number of people in a city Quantitative or Qualitative , Continuous, N/A, or Discreet Click if you would like to Show Work for this question:Open Show Work LINK TO TEXT Attempts: 0 of 3 used SAVE FOR LATER SUBMIT ANSWER Chapter 02, Testbank, Question 004-008 The following table gives the frequency distribution of the highest degrees held by 25 professionals. Highest Degree f Bachelor's 11 Master's 8 Doctorate 6 The number of persons with a Master's degree as their highest degree is: The number of persons who possess a Doctorate is: The percentage of persons with a Bachelor's degree as the highest degree is: % The percentage of persons who hold a Doctorate is: % The percentage of persons who do not hold a Doctorate is: Click if you would like to Show Work for this question:Open Show Work LINK TO TEXT Question Attempts: 0 of 3 used SAVE SUBMIT FOR ANSWER LATER Chapter 02, Testbank, Question 093 The maximum number of goals scored by a national team in the last 14 FIFA's World Cups is shown below. Select the bar graph that matches with the data. 14 15 15 16 16 17 23 22 12 18 15 14 15 19 14 27 15 I II III Click if you would like to Show Work for this question:Open Show Work LINK TO TEXT Question Attempts: 0 of 3 used SAVE SUBMIT FOR ANSWER LATER Chapter 03, Supplementary Exercises, Problem 082a The following data give the numbers of driving citations received by 12 drivers. 480310741481379 Find the mean, median, and mode for these data. Round your answers to two decimal places. Mean = Median = citations citations Input any mode. Mode = citations Click if you would like to Show Work for this question:Open Show Work SHOW HINT LINK TO TEXT Question Attempts: 0 of 3 used SAVE SUBMIT FOR ANSWER LATER