Listed below are foot lengths in inches for 11 randomly selected people taken in 1988. Find the range, variance, and standard deviation for the given sample data. Include appropriate units in the results. Are the statistics representative of the current population of all people? 8.5 8.5 10.4 10.2 9.7 10.5 9.9 8.6 9.9 9.6 10.1 O The range of the sample data is 2 inches. (Type an integer or a decimal. Do no The standard deviation of the sampl people?. ches. (Round to two decimal places as ne people. inches. The variance of the sample data is (Round to two decimal places as ne inches?. Are the statistics representative of the urtni pupulauon of all people? A. The statistics are representative because they are taken from a random sample. B. Since the measurements were made in 1988, it is not necessarily representative of the population today. C. The statistics are not representative because a smaller sample is needed to represent the population. D. The statistics are representative because the standard deviation of the sample data is less than 1. (1,1) More

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(2) (2) (2) (2) བྱེ བྱ བྱེ བྱེ བྱེ 1.1 1.2 Reamorata is a student at Nelson Mandela Metropolitan University (NMMU) Vista Campus in Port Elizabeth. ANNEXURE A shows a map/plan of the layout of the campus where he attends classes. Use ANNEXURE A to answer the questions that follow. 1.1.1 Identify the type of map/plan used and write it down. 1.1.2 Give one purpose of the building marked as number 15. 1.1.3 Name the province where Port Elizabeth is situated. 1.1.4 What symbol is used to show parking on the campus? 1.1.5 How many lecture halls are shown on the map/plan. In picture 1 and picture 2 two clocks are shown. 10 PICTURE 1 12 112 2 PICTURE 2 9 00 8 4. 765 5:44 LITE Use the information above to answer the questions that follow. 1.2.1 Name the two time formats used to display the time on the clocks. 1.2.2 Write down, in words, the time displayed on the clock in picture 2. 1.2.3 Convert 13 hours 57 minutes to hours. (2) (2) (2)