# Explain the terms (a) numerator, (b) denominator [Solved] Use basic numerical operations with whole numbers, integers, fractions and decimals

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Student Assignment Guidance – Using Numeracy, Data and IT

 Assessment Task Learning Outcomes Guidance Part 1 and Part 2 Weighting (20% of the module)   Part 1 (60 marks)   Part 2 (40 marks)   Part 3 Weighting (80% of the module)   Part 3 (100 marks)   This is a case study with 5 questions. Use basic numerical operations with whole numbers, integers, fractions and decimals Calculate ratios and proportions, percentages, averages Construct and use appropriate graphical techniques to present simple data Construct and use a spreadsheet application to record numerical data and use simple formula functions Even though some questions in Section 1 specifically ask you to show working, you are encouraged to show working on all questions (as much as possible) in Section 1 of Part 1 and also in Part 2. Please note that for Part 2, you are to use the given spreadsheet screenshot to answer the respective questions (that is, question 11). You are not to reproduce the given spreadsheet / table.   For Part 3, however, you will need to create the given spreadsheet to aid you in performing the given calculations and to enable you to create the necessary charts/graphs.   It is good practice to include references, if you source information for any of the questions in Part 2, making sure you use the Arden University Harvard Referencing Guide, which is available on iLearn. Part 1 Question 1 Explain the terms (a) numerator, (b) denominator. (4 marks) Question 2 Express 24/40 and 18/42 in their simplest forms. (4 marks) Question 3 a) Express the fractions 2/3, 3/4 and 5/6 as equivalent fractions with a denominator of 12. (3 marks) 1 & 2       1 & 2 Explain each term. Citing a reference for each term is not mandatory. For higher marks, give an example in each case.   In answering Question 2, reduce both fractions to their simplest terms.   In answering Question 3a, you are expected to convert each fraction but not to carry out any additions.

 at the following times: 5 minutes past the hour, 25 minutes past the hour and 45 minutes past the hour. The meeting venue in Birmingham is a 5-minute walk from the station. What is the latest time that Annabelle can leave home, if she is to make it on time for the meeting in Birmingham? Show your working. (8 marks) Question 10 A box of Shredded Wheat weighs 0.35 kg and a box of Weetabix weighs 9/25 kg? Which box is heavier? Show your working. (4 marks) . Total Marks for Part 1 is 60. In answering Question 10, please show your working. Part 2 – Using Data (40 Marks) Given below is Medals Table for one of the recent Olympic Games 2 In answering Part 2, use only the given information in the medals table, showing your working wherever possible. Do not reproduce/create the spreadsheet.
 11) a) Which country had the lowest number of overall medals among the ten countries? (2 marks) b) Which country/countries competed in the least number of games? (2 marks) c) What is the mode in the number of games countries participated in? (2 marks) d) What is the range between the gold medals awarded to the 10 countries? (3 marks) e) How many countries got more silver medals than bronze medals? (3 marks)
 f) Apart from the United States, which country/countries got more gold medals, more silver medals and more bronze medals than Great Britain? (3 marks) g) In comparing the number of games a country participated in and the overall number medals received, which country did the best (i.e. highest number of medals received per game)? Show your working to justify your answer. (6 marks) h) Using the given data, give TWO likely reasons why a country like Jamaica does not feature in the top 10 medals even though it does very well in athletics. (6 marks) i) Using the given information, determine the medal category in which the United States far outperformed its closest competitor. Show your working to justify your answer. (6 marks) j) Which 3 countries had the most evenly distributed number of gold, silver and bronze medals (i.e. smallest range) ? Show your working. (7 marks) Total Marks for Section 2 is 40. Part 3 (80% of the module) This part requires the use of Microsoft Excel. 12. Create the spreadsheet below using Excel. Include the rows and columns identifiers, text formatting and column highlighting as shown. (15 marks) 3 & 4 In answering the questions for this section, use the given spreadsheet screenshot to answer the questions that follow. Reproduce the given spreadsheet, including the rows and columns labels, the headings and the gold, silver and bronze shading of the columns.

 13. a) What actions or steps in Excel can you take to rank them from 1st to 10th (4 marks) b) State the specific action(s) or step(s) in Excel that will produce a list/display of those countries with 800 or more medals in total? (4 marks) c) Which type of graph will be suitable for representing only gold medals information? (2 marks) d) In which column(s) might replication have been used? (2 marks) e) What Excel formula can be used to calculate the overall In answering Question 13a, please state the specific steps you would follow, in a bulleted or numbered fashion. This will involve noting the specific column and row labels and the appropriate tools on the Excel toolbars. There is more than one way to accomplish the sorting. Just explain ONE way of doing this. In answering Question 13b, please state the specific steps you would follow, in a bulleted or numbered fashion. This will involve noting the specific column and row labels and the appropriate tools on the Excel toolbars. There is more than one way to accomplish the filtering. Just explain ONE way of doing this. In answering Question 13c, just state a type of graph or chart that will be suitable for representing the Gold medals information (shown in Column C). In answering Question 13d, ask yourself what replication is and why it might be used. With that understanding, you can then identify the
 total medals awarded? (3 marks) 14) Write the Excel functions for the following: (5 Marks each) Give the total number of medals for Germany and Great Britain. Give the average number of silver medals for a European country, Sum the Medals Total for Gold for those countries with less than 20 games involvement. Search the database (the whole spreadsheet) to find ‘Italy’ and also the corresponding Medals Total.  15) a)    Calculate the median number of medals for each medal type, stating the formula you would use for determining the median for the gold medals. (5 marks) b)    Calculate the mean number of medals for each of the 3 medal types, stating the formula you would use for determining the mean for the bronze medals. (5 marks) columns. You may add the reasons for your choices. [Don’t confuse rows with columns.] In answering Question 13e, just state ONE formula you would use to get the Grand Total (as there can be more than one way to do this).     In answering Question 14, please ensure that for each of the 5 given sub-questions, you use the correct column label/letters and row numbers with the respective Excel functions. Also ensure that for each function used, you state it in the proper format.     In answering Question 15a, use your spreadsheet to calculate the median of the gold medals, median of the silver medals and median of the bronze medals. Also write the Excel formula you used in calculating the median of the gold medals. Use basic numerical operations with whole numbers, integers, fractions and decimals In answering Question 15b, use your spreadsheet to calculate the mean of the gold medals, mean of the silver medals and mean of the bronze medals. Also write the Excel formula you used in calculating the mean of the gold medals.

 c) Calculate the standard deviation of the total medals awarded to each country (column F) using the formula below. Show all the steps (full working). You can use the STDEV.P function to cross-check your final answer. (10 marks) d) Using the given spreadsheet as a basis, discuss the usefulness of a standard deviation in a given dataset. You need to cite any literature sources you use. (10 marks) 16. a) Produce an appropriate fully-labeled chart to compare the gold, silver and bronze medals totals of the 10 countries. (10 marks) b) Use a suitable and fully-labeled chart to reflect the contribution of each country to the overall medals total. (10 marks) Total Marks for Part 3 is 100. In answering Question 15c, show all the intermediate steps used to calculate the standard deviation. Then verify your answer using the Excel standard deviation function, STDEV.P           In answering Question 15d, cite credible sources to support your answer. Make sure you use the AU Harvard Referencing format.         In answering Question 16, ensure that the charts are fully-labelled.

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